Warning/Advisory product: SMWMQT is not current or is more than 12 hours old
Warning/Advisory product: SMWLOT is not current or is more than 12 hours old
Warning/Advisory product: SMWDTX is not current or is more than 12 hours old
Warning/Advisory product: SMWCLE is not current or is more than 12 hours old
Warning/Advisory product: SMWBUF is not current or is more than 12 hours old
Warning/Advisory product: MWWDLH is not current or is more than 12 hours old
Warning/Advisory product: MWWMQT is not current or is more than 12 hours old
Warning/Advisory product: MWWGRB is not current or is more than 12 hours old
Warning/Advisory product: MWWMKX is not current or is more than 12 hours old
Warning/Advisory product: MWWLOT is not current or is more than 12 hours old
Warning/Advisory product: MWWIWX is not current or is more than 12 hours old
Warning/Advisory product: MWWGRR is not current or is more than 12 hours old
Warning/Advisory product: MWWAPX is not current or is more than 12 hours old
Warning/Advisory product: MWWDTX is not current or is more than 12 hours old
Warning/Advisory product: MWWCLE is not current or is more than 12 hours old
Warning/Advisory product: MWWBUF is not current or is more than 12 hours old

883 
FZUS63 KMQT 172009
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
409 PM EDT Thu Aug 17 2017

For waters beyond five nautical miles of shore on Lake Superior

Waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. Occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.SYNOPSIS...Low pressure of 29.5 inches over northwest Wisconsin 
will cross the Upper Great Lakes tonight and reach southwest Quebec 
Friday night. In its wake, high pressure of 30.0 inches will shift 
east to the western Great Lakes late Friday and then expand over the 
Great Lakes region Saturday into Sunday. On Sunday afternoon a
29.9 inch trough moves into western Lake Superior and then tracks
east through Sunday night. A 30.1 inch high pressure ridge 
follows on Monday. A 29.8 inch low moves across the Upper Great 
Lakes on Tuesday. 

LSZ162-180415-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
409 PM EDT Thu Aug 17 2017 /309 PM CDT Thu Aug 17 2017/

.LATE THIS AFTERNOON...North winds 15 to 25 knots. Patchy fog.
Scattered showers and isolated thunderstorms. Waves 3 to 5 feet
occasionally to 7 feet. 
.TONIGHT...North winds 15 to 25 knots backing northwest after
midnight. Patchy fog through midnight. A slight chance of showers
through midnight. Waves building to 3 to 6 feet occasionally to
8 feet, then subsiding to 2 to 4 feet. 
.FRIDAY...Northwest winds 10 to 20 knots backing west in the
afternoon. Waves subsiding to calm to 2 feet. 
.FRIDAY NIGHT...West winds 5 to 15 knots. A chance of showers
through midnight. Waves calm to 2 feet. 
.SATURDAY...West winds 5 to 15 knots becoming southwest 10 to
20 knots by mid afternoon. Waves calm to 2 feet. 
.SATURDAY NIGHT...Southwest winds 10 to 20 knots. Waves calm to
2 feet. 
.SUNDAY...Southwest winds 10 to 20 knots. Waves calm to 2 feet. 
.SUNDAY NIGHT...West winds 5 to 15 knots. A chance of showers.
Waves calm to 2 feet. 
.MONDAY...East winds 5 to 15 knots backing northwest. A chance of
showers. Waves calm to 2 feet. 
.TUESDAY...West winds 5 to 15 knots becoming northwest 10 to
20 knots. Waves calm to 2 feet. 

$$

LSZ263-180415-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
409 PM EDT Thu Aug 17 2017

.LATE THIS AFTERNOON...Northeast winds 15 to 25 knots. Patchy
fog. Scattered showers and thunderstorms. Waves 4 to 8 feet
occasionally to 10 feet. 
.TONIGHT...North winds 15 to 25 knots backing northwest late.
Patchy fog. A slight chance of thunderstorms through midnight. A
chance of showers. Waves subsiding to 3 to 5 feet occasionally to
7 feet. 
.FRIDAY...Northwest winds 15 to 25 knots becoming west 10 to
20 knots in the afternoon, then diminishing to 5 to 15 knots
late. Waves subsiding to 1 to 3 feet. 
.FRIDAY NIGHT...West winds 5 to 15 knots. Waves subsiding to calm
to 2 feet. 
.SATURDAY...West winds 5 to 15 knots backing southwest by mid
afternoon. Waves building to 1 to 3 feet. 
.SATURDAY NIGHT...Southwest winds 5 to 15 knots. Waves 1 to
3 feet. 
.SUNDAY...Southwest winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. Waves subsiding to calm to 2 feet. 
.SUNDAY NIGHT...West winds 5 to 15 knots. A chance of
thunderstorms through midnight. A chance of showers. Waves calm
to 2 feet. 
.MONDAY...West winds 5 to 15 knots. Waves calm to 2 feet. 
.TUESDAY...West winds 5 to 15 knots veering northwest. Waves calm
to 2 feet. 

$$

LSZ264-180415-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
409 PM EDT Thu Aug 17 2017

.LATE THIS AFTERNOON...East winds 15 to 25 knots. Patchy fog.
Numerous showers and scattered thunderstorms. Waves 5 to 8 feet
occasionally to 10 feet. 
.TONIGHT...Northeast winds 15 to 25 knots becoming north 10 to
20 knots after midnight, then increasing to 15 to 25 knots late.
Patchy fog. Showers likely and a slight chance of thunderstorms
through midnight. A chance of showers after midnight. Waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.FRIDAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots late. Patchy fog through early afternoon. A slight
chance of showers through early afternoon. Waves subsiding to
2 to 4 feet. 
.FRIDAY NIGHT...West winds 5 to 15 knots. Waves subsiding to calm
to 2 feet. 
.SATURDAY...West winds 5 to 15 knots backing southwest by mid
afternoon. Waves building to 1 to 3 feet. 
.SATURDAY NIGHT...Southwest winds 5 to 15 knots. Waves 1 to
3 feet. 
.SUNDAY...Southwest winds 5 to 15 knots. A chance of showers and
thunderstorms by mid afternoon. Waves 1 to 3 feet. 
.SUNDAY NIGHT...Southwest winds 5 to 15 knots veering west after
midnight. A chance of thunderstorms through midnight. A chance of
showers. Waves subsiding to calm to 2 feet. 
.MONDAY...Southwest winds 5 to 15 knots. Waves calm to 2 feet. 
.TUESDAY...West winds 5 to 15 knots veering northwest. Waves
building to 1 to 3 feet. 

$$

LSZ265-180415-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
409 PM EDT Thu Aug 17 2017

.LATE THIS AFTERNOON...East winds 10 to 20 knots. Widespread fog.
Numerous showers and scattered thunderstorms. Waves 4 to 7 feet
occasionally to 9 feet subsiding to 3 to 6 feet occasionally to
8 feet. 
.TONIGHT...East winds 5 to 15 knots becoming north 10 to 20 knots
after midnight, then becoming northwest 20 to 30 knots late.
Areas of fog. Showers likely and a slight chance of thunderstorms
through midnight. A chance of showers after midnight. Waves
subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.FRIDAY...Northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. Patchy fog through early afternoon. A slight
chance of showers through early afternoon. Waves building to 3 to
6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.FRIDAY NIGHT...Northwest winds 10 to 20 knots backing west after
midnight. Waves subsiding to calm to 2 feet. 
.SATURDAY...West winds 10 to 20 knots. Waves calm to 2 feet. 
.SATURDAY NIGHT...Southwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. Waves calm to 2 feet. 
.SUNDAY...Southwest winds 10 to 20 knots backing south by mid
afternoon. A chance of showers and thunderstorms by mid
afternoon. Waves calm to 2 feet. 
.SUNDAY NIGHT...Southwest winds 10 to 20 knots veering west after
midnight. A chance of thunderstorms through midnight. A chance of
showers. Waves calm to 2 feet. 
.MONDAY...Southwest winds 10 to 20 knots veering west. A chance
of showers and thunderstorms. Waves calm to 2 feet. 
.TUESDAY...West winds 10 to 20 knots. Waves calm to 2 feet. 

$$

LSZ266-180415-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
409 PM EDT Thu Aug 17 2017

.LATE THIS AFTERNOON...Southeast winds 15 to 25 knots. Patchy
fog. Scattered showers and thunderstorms. Waves 4 to 8 feet
occasionally to 10 feet. 
.TONIGHT...East winds 10 to 20 knots becoming north 15 to
25 knots late. Patchy fog. Showers likely and a slight chance of
thunderstorms through midnight. A chance of showers after
midnight. Waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.FRIDAY...Northwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon, then diminishing to 15 to 25 knots
late. Patchy fog through early afternoon. A slight chance of
showers through early afternoon. Waves 3 to 6 feet occasionally
to 8 feet. 
.FRIDAY NIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight, then backing west late. Waves
subsiding to 1 to 3 feet. 
.SATURDAY...West winds 5 to 15 knots. Waves subsiding to calm to
2 feet, then building to 1 to 3 feet. 
.SATURDAY NIGHT...Southwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. Waves 1 to 3 feet. 
.SUNDAY...Southwest winds 10 to 20 knots backing south by mid
afternoon. A chance of showers and thunderstorms by mid
afternoon. Waves subsiding to calm to 2 feet. 
.SUNDAY NIGHT...Southwest winds 10 to 20 knots. A chance of
showers and thunderstorms. Waves calm to 2 feet. 
.MONDAY...Southwest winds 10 to 20 knots veering west. A chance
of showers and thunderstorms. Waves calm to 2 feet. 
.TUESDAY...West winds 10 to 20 knots veering northwest. A chance
of showers. Waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 

$$

LSZ267-180415-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
409 PM EDT Thu Aug 17 2017

.LATE THIS AFTERNOON...Southeast winds 20 to 30 knots. Patchy
fog. Scattered showers and isolated thunderstorms. Waves 4 to
7 feet occasionally to 9 feet subsiding to 3 to 6 feet
occasionally to 8 feet. 
.TONIGHT...Southeast winds 15 to 25 knots becoming east 10 to
20 knots after midnight, then becoming northeast 5 to 15 knots
late. Patchy fog. A chance of showers and a slight chance of
thunderstorms. Waves subsiding to calm to 2 feet. 
.FRIDAY...Northwest winds 10 to 20 knots increasing to 20 to
30 knots. Patchy fog through early afternoon. A chance of
showers. Waves building to 3 to 6 feet occasionally to 8 feet. 
.FRIDAY NIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. A slight chance of showers through
midnight. Waves subsiding to 1 to 3 feet. 
.SATURDAY...West winds 10 to 20 knots. Waves subsiding to calm to
2 feet. 
.SATURDAY NIGHT...Southwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. Waves calm to 2 feet. 
.SUNDAY...Southwest winds 5 to 15 knots becoming south 10 to
20 knots by mid afternoon. Waves calm to 2 feet. 
.SUNDAY NIGHT...South winds 10 to 20 knots veering southwest
after midnight. A chance of showers and thunderstorms. Waves
building to 1 to 3 feet, then subsiding to calm to 2 feet. 
.MONDAY...Southwest winds 5 to 15 knots increasing to 10 to
20 knots. A chance of showers and thunderstorms. Waves calm to
2 feet. 
.TUESDAY...West winds 10 to 20 knots veering northwest. A chance
of showers. Waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 

$$

LSZ261-180415-
MAFOR 1721/
Superior West 12830 11730 13720 12620. Patchy fog this evening.
Scattered showers through this evening. Waves 1 to 5 feet. 

Superior North Central 11236 12136 11820 11830 13730. Patchy fog
through late Friday morning. Scattered showers through late 
tonight. Scattered thunderstorms through early this evening. 
Waves 3 to 8 feet. 

Superior South Central 11226 11216 11816 11723 11730 13740.
Patchy fog early this evening through mid Friday morning. 
Scattered thunderstorms this evening. Chance of showers late 
tonight through mid Friday morning. Waves 2 to 6 feet.

Superior East 11340 11330 11220 11213 11110 11830 12730. Patchy
fog this evening through Friday morning. Scattered showers through
Friday morning. Scattered thunderstorms through early this 
evening. Waves 4 to 7 feet subsiding to 1 to 5 feet tonight and 
Friday.

$$

JSS

Experimental modernized open lake forecast is available online at
weather.gov/mqt/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes


000
FZUS63 KLOT 171945
GLFLM 

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
245 PM CDT Thu Aug 17 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON Lake Michigan.

Waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.SYNOPSIS...Low pressure of 29.5 inches over the upper peninsular
of Michigan will continue northeast across Quebec through the 
weekend. The low's cold front will swing across the lake this 
evening. Low pressure of 29.8 inches will pass south of the lake 
Friday night and then dissipate over eastern Indiana Saturday 
afternoon. Weak high pressure of 29.9 inches will spread over the 
lake Saturday evening before reaching the Atlantic Coast Monday. 
The next cold front slides down the lake late on Tuesday.

LMZ261-362-364-366-563-565-180315-
Lake Michigan from Seul Choix Point to Rock Island Passage 5 NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and north of a line from Charlevoix MI to South
Fox Island 5 NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5 NM offshore to
Mid Lake-
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to
Mid Lake-
245 PM CDT Thu Aug 17 2017

TWO RIVERS WI TO MANISTEE MI NORTH...

.TONIGHT...South winds 15 to 25 kt becoming west to 30 kt. Chance
of showers. Waves 4 to 7 ft occasionally to 9 ft. 
.FRIDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Slight chance of showers. Waves subsiding to 4 to 6 ft 
occasionally to 8 ft. 
.FRIDAY NIGHT...Northwest winds 15 to 25 kt diminishing to 10 to
20 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft. 
.SATURDAY...West winds 10 to 20 kt becoming southwest. Waves 1 to
3 ft. 
.SATURDAY NIGHT...Southwest winds 10 to 20 kt. Waves 1 to 3 ft. 
.SUNDAY...Southwest winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 1 to 3 ft building to 2 to 4 ft. 
.SUNDAY NIGHT...Southwest winds 15 to 25 kt. Waves 3 to 5 ft. 
.MONDAY...Southwest winds 10 to 20 kt becoming south. Chance of 
showers and thunderstorms. Waves 2 to 4 ft. 
.TUESDAY...Southwest winds 10 to 20 kt veering to northwest 10 to
15 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft.  

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-180315-
Lake Michigan from Michigan City IN to St. Joseph MI 5 NM
offshore to Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to
Mid Lake-
Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5 NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5 NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5 NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid
Lake-
Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to
Mid Lake-
245 PM CDT Thu Aug 17 2017

TWO RIVERS WI TO MANISTEE MI SOUTH...

.TONIGHT...Southwest winds 15 to 25 kt becoming west to 30 kt. 
Chance of showers. Waves 4 to 6 ft occasionally to 8 ft building 
to 5 to 8 ft occasionally to 10 ft. 
.FRIDAY...West winds to 30 kt diminishing to 10 to 20 kt through
the afternoon. Waves 5 to 8 ft occasionally to 10 ft subsiding to
4 to 6 ft occasionally to 8 ft. 
.FRIDAY NIGHT...West winds 10 to 20 kt becoming northwest 10 to
15 kt. Chance of showers overnight. Waves 3 to 5 ft subsiding to
2 to 4 ft. 
.SATURDAY...Northwest winds 10 to 15 kt becoming variable. Waves 
1 to 2 ft. 
.SATURDAY NIGHT...South winds 10 to 15 kt becoming southwest.
Waves 1 to 2 ft. 
.SUNDAY...Southwest winds 10 to 15 kt becoming south 10 to 20 kt.
Waves 1 to 2 ft building to 1 to 3 ft. 
.SUNDAY NIGHT...South winds 10 to 20 kt. Waves 2 to 4 ft. 
.MONDAY...South winds 10 to 20 kt. Waves 2 to 4 ft. 
.TUESDAY...Southwest winds 10 to 20 kt becoming west. Chance of
showers and thunderstorms. Waves 1 to 3 ft.  

$$

LMZ761-180315-
MAFOR 1721/
MICHIGAN NORTH 11430 11530 11540 12640 12740 11730. Chance of
showers tonight. Waves 4 to 7 feet occasionally to 9 feet
tonight. Waves subsiding to 4 to 6 feet occasionally to 8 feet 
Friday.


MICHIGAN SOUTH 12530 14640 11640 11630. Chance of showers early
this evening. Waves 4 to 6 feet occasionally to 8 feet building
to 5 to 8 feet occasionally to 10 feet tonight. Waves 5 to 8 feet
occasionally to 10 feet subsiding to 4 to 6 feet occasionally to 
8 feet Friday. 

$$


JEE

Experimental modernized open lake forecast is available online at
weather.gov/lot/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes

000
FZUS63 KDTX 171953
GLFLH 

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
351 PM EDT Thu Aug 17 2017

For waters beyond five nautical miles off shore on Lake Huron

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...Low pressure, 29.50 inches, will continue to move 
towards Upper Michigan this evening. This system will drive an 
associated warm front, 29.70 inches, into Lake Huron by evening. The 
low will then move east of Lake Superior by Friday morning, allowing 
high pressure to expand across the Ohio Valley behind the departing 
cold front.

LHZ361-180800-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
351 PM EDT Thu Aug 17 2017

.TONIGHT...Southeast winds 15 to 20 knots becoming south 5 to
10 knots. Showers and thunderstorms likely in the evening...then
a chance of thunderstorms after midnight. A chance of showers
after midnight. Waves 4 to 6 feet. Waves occasionally around
8 feet. 
.FRIDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots with gusts to 30 knots in the late morning and early
afternoon...then increasing to 20 to 25 knots with gusts to
30 knots late in the afternoon. A chance of showers. Waves 2 to
4 feet building to 4 to 6 feet late in the afternoon. Waves
occasionally around 8 feet. 
.FRIDAY NIGHT...West winds 20 to 25 knots with gusts to 30 knots
decreasing to 15 to 20 knots in the late evening and overnight. A
chance of showers early in the evening. Waves 4 to 6 feet. 
.SATURDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots
early in the afternoon. Waves 3 to 5 feet subsiding to 1 to
3 feet early in the afternoon. Waves occasionally around 8 feet. 
.SATURDAY NIGHT...West winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY...Southwest winds 5 to 10 knots. A chance of showers and
thunderstorms after midnight. Waves 2 feet or less. 
.MONDAY...Southwest winds 5 to 10 knots. A chance of showers and
thunderstorms early in the morning. A chance of showers and
thunderstorms. Waves 2 feet or less. 
.TUESDAY...Southwest winds 5 to 10 knots veering to the northwest
until early morning. A chance of showers and thunderstorms early
in the morning...then showers and thunderstorms likely until late
afternoon. A chance of showers and thunderstorms early in the
evening. Waves 1 to 3 feet. 


$$

LHZ362-363-180800-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
351 PM EDT Thu Aug 17 2017

.TONIGHT...Southeast winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and early morning...then veering to
the southwest early in the morning. Showers and thunderstorms
likely early in the evening...then a chance of thunderstorms in
the late evening and early morning. A chance of showers in the
late evening and overnight. Waves 4 to 6 feet. Waves occasionally
around 8 feet. 
.FRIDAY...Southwest winds 15 to 20 knots. Gusts to 30 knots late
in the afternoon. A chance of showers until late afternoon. Waves
4 to 6 feet. 
.FRIDAY NIGHT...West winds 15 to 20 knots. Gusts to 30 knots
early in the evening. Waves 5 to 7 feet. Waves occasionally
around 10 feet. 
.SATURDAY...West winds 15 to 20 knots decreasing to 5 to
10 knots. Waves 4 to 6 feet. Waves occasionally around 8 feet. 
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 to
3 feet. 
.SUNDAY...Southwest winds 5 to 10 knots backing to the south late
in the afternoon...then becoming southwest 10 to 15 knots late in
the evening. Waves 1 to 3 feet. 
.MONDAY...Southwest winds 10 to 15 knots becoming south 5 to
10 knots until early morning. A chance of showers and
thunderstorms. Waves 1 to 3 feet. 
.TUESDAY...Southwest winds 5 to 10 knots becoming northwest 10 to
15 knots in the late evening and early morning. A chance of
showers and thunderstorms. Waves 1 to 3 feet building to 2 to
4 feet in the late evening and early morning. 


$$

LHZ462>464-180800-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
351 PM EDT Thu Aug 17 2017

.TONIGHT...South winds 10 to 15 knots. Showers and thunderstorms
likely early in the evening...then a chance of thunderstorms in
the late evening and early morning. A chance of showers in the
late evening and overnight. Waves 2 to 4 feet. 
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. A chance of showers
early in the morning. Waves 3 to 5 feet. 
.FRIDAY NIGHT...West winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. Waves 3 to 5 feet. 
.SATURDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots
early in the afternoon. Waves 3 to 5 feet subsiding to 1 to
3 feet early in the afternoon. 
.SATURDAY NIGHT...Light and variable winds becoming southwest
5 to 10 knots in the late evening and overnight. Waves 2 feet or
less. 
.SUNDAY...Southwest winds 5 to 10 knots backing to the south late
in the afternoon. Waves 2 feet or less. 
.MONDAY...Southwest winds 5 to 10 knots. Waves 2 feet or less. 
.TUESDAY...Southwest winds 5 to 10 knots becoming northwest 10 to
15 knots in the late evening and early morning. A chance of
showers and thunderstorms in the morning. Rain showers and
thunderstorms likely in the afternoon and evening...then a chance
of showers and thunderstorms in the late evening and early
morning. Waves 2 feet or less building to 2 to 4 feet in the late
evening and early morning. 


$$

LHZ461-180200-
MAFOR 1721/
HURON NORTH 12329 11419 11400 12510 11520 11620. A chance of
showers Friday. Waves 3 to 5 feet subsiding to 2 to 4 feet
tonight. Waves 2 to 4 feet building to 3 to 5 feet Friday.
220305. 

HURON SOUTH 11320 11419 11410 11510 13520 11620. A chance of
showers and thunderstorms early this evening. A chance of showers
and thunderstorms overnight. A chance of showers Friday morning.
Waves 2 to 4 feet tonight. Waves 3 to 5 feet Friday. 220204. 

$$

MR

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftable (all lower case)

Graphical marine forecasts are available online at
weather.gov/greatlakes (all lower case)

368 
FZUS63 KDTX 171953 RRA
GLFSC 

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
351 PM EDT THU AUG 17 2017

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...Low pressure, 29.50 inches, will continue to move 
towards Upper Michigan this evening. This system will drive an 
associated warm front, 29.70 inches, into Lake Huron by evening. The 
low will then move east of Lake Superior by Friday morning, allowing 
high pressure to expand across the Ohio Valley behind the departing 
cold front.

LCZ460-180800-
Lake St Clair-
351 PM EDT THU AUG 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING...

.TONIGHT...Southwest winds 10 to 15 knots diminishing to 5 to 10
knots early in the morning. Mostly cloudy with a chance of showers
and thunderstorms until early morning...then partly cloudy early in
the morning. Waves 2 feet or less.
.FRIDAY...West winds 10 to 15 knots. Partly sunny. Waves 2 feet or
less.
.FRIDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10
knots early in the morning. Partly cloudy. Waves 2 feet or less.
.SATURDAY...West winds 5 to 10 knots. Partly sunny with a chance of
showers and thunderstorms. Waves 2 feet or less.
.SATURDAY NIGHT...Light and variable winds. Mostly clear. A chance
of showers and thunderstorms early in the evening. Waves 2 feet or
less.
.SUNDAY...Light and variable winds becoming south 5 to 10 knots in
the afternoon and evening. Sunny becoming mostly sunny in the
afternoon and evening becoming clear. Waves 2 feet or less.
.MONDAY...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.TUESDAY...West winds 10 to 15 knots. Partly cloudy. Showers and
thunderstorms likely. Waves 2 feet or less.

$$

MR

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftablesc

Graphical marine forecasts are available at weather.gov/greatlakes


000
FZUS61 KCLE 171941
GLFLE 

Open Lake Forecast for Lake Erie
National Weather Service Cleveland OH
341 PM EDT Thu Aug 17 2017

For waters beyond five nautical miles of shore on Lake Erie

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...A cold front will move east across the lake tonight. 
A trough will cross the lake Saturday. High pressure 30.10 inches 
will move across the Lower Lakes Sunday into Monday and off the
east coast by Tuesday. The next cold front will move southeast
into Lake Erie Tuesday evening.

LEZ162>164-180245-
Lake Erie open waters from Maumee Bay to Reno Beach OH-
Lake Erie open waters from Reno Beach to The Islands OH-
Lake Erie open waters from The Islands to Vermilion OH-
341 PM EDT Thu Aug 17 2017

.TONIGHT...Southwest winds 10 to 15 knots. A chance of showers
and thunderstorms this evening...then a slight chance of showers
and thunderstorms after midnight. Waves 1 to 3 feet. 
.FRIDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet. 
.FRIDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. 
.SATURDAY...West winds 5 to 15 knots. A chance of showers and
thunderstorms. Waves 2 feet or less. 
.SATURDAY NIGHT...West winds less than 10 knots becoming
southwest. A chance of showers and thunderstorms in the evening.
Waves 1 foot or less. 
.SUNDAY...West winds less than 10 knots becoming south. Waves
1 foot or less. 
.MONDAY...Southwest winds 5 to 10 knots becoming south. Waves
1 foot or less. 
.TUESDAY...Southwest winds 10 to 15 knots becoming northwest. A
chance of showers and thunderstorms. Waves 1 to 3 feet. 

Winds and waves higher in and near thunderstorms.

$$

LEZ061-165>169-180245-
Lake Erie open waters from Ripley to Buffalo NY-
Lake Erie open waters from Vermilion to Avon Point OH-
Lake Erie open waters from Avon Point to Willowick OH-
Lake Erie open waters from Willowick to Geneva-on-the-Lake OH-
Lake Erie open waters from Geneva-on-the-Lake to Conneaut OH-
Lake Erie open waters from Conneaut OH to Ripley NY-
341 PM EDT Thu Aug 17 2017

.TONIGHT...South winds 10 to 15 knots becoming southwest. Showers
likely with a chance of thunderstorms early...then a chance of
showers and thunderstorms. A chance of showers with a slight
chance of thunderstorms late. Waves 1 to 3 feet building to 2 to
4 feet. 
.FRIDAY...Southwest winds 15 to 25 knots becoming west. Waves
3 to 6 feet building to 4 to 7 feet. Waves occasionally around
9 feet. 
.FRIDAY NIGHT...West winds 15 to 25 knots diminishing to 10 to
15 knots. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves
occasionally around 9 feet. 
.SATURDAY...West winds 10 to 15 knots. A chance of showers and
thunderstorms in the afternoon. Waves 2 to 4 feet. 
.SATURDAY NIGHT...West winds 5 to 15 knots becoming southwest. A
chance of showers and thunderstorms in the evening. Waves 1 to
3 feet. 
.SUNDAY...Southwest winds 10 knots or less becoming south. Waves
1 foot or less. 
.MONDAY...South winds 10 knots or less. Waves 1 foot or less. 
.TUESDAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers and thunderstorms. Waves 1 to 3 feet building to 3 to
5 feet. 

Winds and waves higher in and near thunderstorms.

$$

LEZ161-180245-
MAFOR 1721/
ERIE WEST 1/3 11416 14510 12520 11620. Scattered thunderstorms
early this evening...then a chance of showers and thunderstorms
this evening. Waves 1 to 3 feet tonight. Waves 2 to 4 feet
building to 3 to 5 feet Friday. 

ERIE CENTRAL 1/3 11416 11410 13510 12520 11630. Scattered
thunderstorms early this evening...then a chance of thunderstorms
this evening. A chance of showers overnight. Waves 1 to 3 feet
building to 2 to 4 feet tonight. Waves 3 to 5 feet building to 4
to 7 feet...and occasionally around 9 feet Friday. 

ERIE EAST 1/3 11406 11416 11516 13510 11520 11630. Scattered
thunderstorms early this evening...then a chance of thunderstorms
this evening. A chance of showers and thunderstorms overnight. A
chance of showers Friday morning. Waves 1 to 3 feet building to 2
to 4 feet tonight. Waves 2 to 4 feet building to 4 to 7 feet...
and occasionally around 9 feet Friday. 

$$

000
FZUS61 KBUF 172336
GLFLO 

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
736 PM EDT Thu Aug 17 2017

For waters beyond five nautical miles of shore on Lake Ontario

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...A 29.5 inch low will move from upper Michigan to 
southern Ontario by Friday afternoon before reaching James Bay 
Saturday morning, and eventually exiting across northern Quebec 
Saturday night. A 30.1 inch high will then build into the Ohio 
Valley and eastern Great Lakes Sunday and Monday.

LOZ062-180315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
736 PM EDT Thu Aug 17 2017

.TONIGHT...East winds 15 to 20 knots becoming south 10 to 15 
knots. Showers and thunderstorms through the early overnight... 
then a chance of showers and thunderstorms late. Waves 1 to 3 
feet. 
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 
knots. A chance of showers and thunderstorms early...then a chance
of showers late in the morning. Waves 1 to 3 feet. 
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west.
Waves 2 to 4 feet. 
.SATURDAY...West winds 15 to 20 knots. A chance of showers in the
afternoon. Waves 2 to 4 feet. 
.SATURDAY NIGHT...West winds 5 to 15 knots. A chance of showers
in the evening. Waves 1 to 3 feet. 
.SUNDAY...West winds 5 to 15 knots becoming southwest. Waves 1 to
2 feet. 
.MONDAY...Southwest winds 5 to 10 knots. Waves 1 to 2 feet. 
.TUESDAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers during the day...then a chance of showers and
thunderstorms Tuesday night. Waves 1 to 2 feet. 

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-180315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
736 PM EDT Thu Aug 17 2017

.TONIGHT...East winds 10 to 15 knots becoming south 15 to 20 
knots. Showers and thunderstorms. Waves 1 to 3 feet building to 2 
to 4 feet. 
.FRIDAY...South winds 15 to 20 knots becoming southwest 10 to 15 
knots. Showers likely with a chance of thunderstorms in the 
morning...then a chance of showers and thunderstorms in the 
afternoon. Waves 1 to 3 feet. 
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west. A
chance of showers. Waves 1 to 3 feet building to 2 to 4 feet. 
.SATURDAY...West winds 15 to 20 knots. A chance of showers. Waves
2 to 4 feet. 
.SATURDAY NIGHT...West winds 15 to 20 knots diminishing to 5 to
15 knots. A chance of showers in the evening. Waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.SUNDAY...West winds 5 to 15 knots becoming southwest. Waves 1 to
2 feet. 
.MONDAY...Southwest winds 5 to 10 knots. Waves 1 to 2 feet. 
.TUESDAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers during the day...then a chance of showers and
thunderstorms Tuesday night. Waves 1 to 3 feet. 

Winds and waves higher in and near thunderstorms.

$$

LOZ061-180315-
MAFOR 1721/
ONTARIO WEST 1/2 11229 12319 11410 13510 11520. Scattered
thunderstorms early this evening. A chance of showers and
thunderstorms Friday morning. Waves 1 to 3 feet tonight. Waves 2
feet or less Friday. 

ONTARIO EAST 1/2 11210 11219 11329 11429 11426 11520 12510.
Scattered showers early this evening. A chance of showers in the
morning...then a chance of showers and thunderstorms Friday
afternoon. Waves 2 feet or less building to 2 to 4 feet tonight.
Waves 1 to 3 feet subsiding to 1 foot or less Friday. 

$$

934 
FZUS51 KCLE 171941
NSHCLE

Nearshore Marine Forecast
National Weather Service Cleveland OH
341 PM EDT Thu Aug 17 2017

For waters within five nautical miles of shore

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

LEZ142>145-180245-
Lake Erie nearshore waters from Maumee Bay to Reno Beach OH-
Lake Erie nearshore waters from Reno Beach to The Islands OH-
Lake Erie nearshore waters from The Islands to Vermilion OH-
Lake Erie nearshore waters from Vermilion to Avon Point OH-
341 PM EDT Thu Aug 17 2017

.TONIGHT...Southwest winds 10 to 15 knots. Showers likely with a
chance of thunderstorms early...then a slight chance of showers 
and thunderstorms after midnight. Waves 1 to 3 feet. 
.FRIDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. Partly sunny. Waves 2 feet or less building to 2 to
4 feet. 
.FRIDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to
3 feet. 
.SATURDAY...West winds 5 to 10 knots. A chance of showers and
thunderstorms. Waves 1 to 3 feet. 

Winds and waves higher in and near thunderstorms.

See Lake Erie open lakes forecast for Sunday through Tuesday.

The water temperature off Toledo is 76 degrees...off Cleveland 73
degrees and off Erie 74 degrees.

$$

LEZ146>149-180245-
Lake Erie nearshore waters from Avon Point to Willowick OH-
Lake Erie nearshore waters from Willowick to Geneva-on-
the Lake OH-Lake Erie nearshore waters from Geneva-on-the-
Lake to Conneaut OH-
Lake Erie nearshore waters from Conneaut OH to Ripley NY-
341 PM EDT Thu Aug 17 2017

.TONIGHT...South winds 10 to 15 knots becoming southwest. Showers
likely with a chance of thunderstorms early...then a slight 
chance of showers or thunderstorms late. Waves 1 to 3 feet. 
.FRIDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. Partly sunny. Waves 1 to 3 feet building to 3 to
6 feet. Waves occasionally around 7 feet. 
.FRIDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. Partly cloudy in the evening...then becoming mostly
cloudy. Waves 3 to 6 feet subsiding to 2 to 4 feet. Waves
occasionally around 7 feet. 
.SATURDAY...West winds 10 to 15 knots. A chance of showers and
thunderstorms in the afternoon. Waves 2 to 4 feet. 

Winds and waves higher in and near thunderstorms.

See Lake Erie open lakes forecast for Sunday through Tuesday.

The water temperature off Toledo is 76 degrees...off Cleveland 73
degrees and off Erie 74 degrees.

$$


577 
FZUS51 KBUF 172337
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
737 PM EDT Thu Aug 17 2017

For waters within five nautical miles of shore

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

LEZ020-180315-
Upper Niagara River and Buffalo Harbor-
737 PM EDT Thu Aug 17 2017

.TONIGHT...Southeast winds 5 to 10 knots becoming southwest.
Showers and thunderstorms this evening...then showers likely with
a chance of thunderstorms after midnight. A chance of showers and
thunderstorms late. 
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 
knots. A chance of showers and thunderstorms in the morning. 
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west 5 to
15 knots. Partly to mostly cloudy. 
.SATURDAY...West winds 5 to 10 knots. A chance of showers in the
afternoon. 
.SATURDAY NIGHT...West winds 5 to 10 knots becoming light and
variable. A chance of showers in the evening. 
.SUNDAY...Southwest winds 10 knots or less. Mainly clear. 
.MONDAY...Southwest winds 5 to 10 knots becoming south. Mainly
clear...then becoming partly cloudy. 
.TUESDAY...Southwest winds 5 to 15 knots becoming west. A chance
of showers during the day...then a chance of showers and
thunderstorms Tuesday night. 

Winds and waves higher in and near thunderstorms.

The water temperature off Buffalo is 73 degrees.

$$

LOZ030-180315-
Lower Niagara River-
737 PM EDT Thu Aug 17 2017

.TONIGHT...South winds 5 to 10 knots becoming southwest. Showers
and thunderstorms this evening...then showers likely with a
chance of thunderstorms after midnight. A chance of showers and
thunderstorms late. 
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 
knots. A chance of showers and thunderstorms in the morning. 
.FRIDAY NIGHT...Southwest winds 5 to 15 knots becoming west.
Partly to mostly cloudy. 
.SATURDAY...West winds 5 to 10 knots. A chance of showers in the
afternoon. 
.SATURDAY NIGHT...West winds 10 knots or less. A chance of
showers in the evening. 
.SUNDAY...West winds 10 knots or less becoming southwest. Mainly
clear. 
.MONDAY...Southwest winds 5 to 10 knots. Mainly clear...then
becoming partly cloudy. 
.TUESDAY...Southwest winds 5 to 15 knots becoming west. A chance
of showers during the day...then a chance of showers and
thunderstorms Tuesday night. 

Winds and waves higher in and near thunderstorms.

$$

LEZ040-041-180315-
Buffalo to Ripley along Lake Erie-
737 PM EDT Thu Aug 17 2017

.TONIGHT...East winds 5 to 15 knots becoming southwest 15 to 20 
knots. Showers and thunderstorms through the early overnight... 
then a chance of showers and thunderstorms late. Waves 1 to 3 
feet. 
.FRIDAY...Southwest winds 15 to 25 knots becoming west. A chance
of showers and thunderstorms. Waves 2 to 4 feet building to 3 to
5 feet. Waves occasionally around 6 feet. 
.FRIDAY NIGHT...West winds 15 to 25 knots diminishing to 10 to
15 knots. A chance of showers in the evening. Waves 3 to 6 feet.
Waves occasionally around 7 feet. 
.SATURDAY...West winds 10 to 15 knots. A chance of showers in the
afternoon. Waves 2 to 3 feet. 
.SATURDAY NIGHT...West winds 5 to 15 knots diminishing to less
than 10 knots. A chance of showers in the evening. Waves 1 to
3 feet. 
.SUNDAY...West winds 5 to 10 knots becoming southwest. Mainly
clear. Waves 1 foot or less. 
.MONDAY...Southwest winds 5 to 10 knots becoming south. Mainly
clear...then becoming partly cloudy. Waves 1 foot or less. 
.TUESDAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers during the day...then a chance of showers and
thunderstorms Tuesday night. Waves 1 to 3 feet. 

Winds and waves higher in and near thunderstorms.

$$

LOZ042-180315-
Niagara River to Hamlin Beach along Lake Ontario-
737 PM EDT Thu Aug 17 2017

.TONIGHT...East winds 10 to 15 knots becoming south. Showers and
thunderstorms through the early overnight...then a chance of
showers and thunderstorms late. Waves 1 to 3 feet subsiding to
1 foot or less. 
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 
knots. A chance of showers and thunderstorms in the morning. Waves
1 to 3 feet. 
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west
10 to 15 knots. Partly to mostly cloudy. Waves 1 to 3 feet. 
.SATURDAY...West winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers in the afternoon. Waves 1 to 3 feet
building to 2 to 4 feet...then subsiding to 1 to 3 feet. 
.SATURDAY NIGHT...West winds 5 to 15 knots. A chance of showers
in the evening. Waves 1 to 3 feet subsiding to 1 foot or less. 
.SUNDAY...West winds 5 to 15 knots becoming southwest. Mainly
clear. Waves 1 foot or less. 
.MONDAY...Southwest winds 5 to 10 knots. Mainly clear...then
becoming partly cloudy. Waves 1 foot or less. 
.TUESDAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers during the day...then a chance of showers and
thunderstorms Tuesday night. Waves 2 feet or less. 

Winds and waves higher in and near thunderstorms.

$$

LOZ043-044-180315-
Hamlin Beach to Mexico Bay along Lake Ontario
including Irondequoit Bay-
737 PM EDT Thu Aug 17 2017

.TONIGHT...East winds 10 to 15 knots becoming south. Showers and
thunderstorms. Waves 2 feet or less. 
.FRIDAY...South winds 5 to 15 knots becoming southwest 15 to 20 
knots. Showers likely with a chance of thunderstorms in the 
morning...then showers and thunderstorms likely in the afternoon. 
Waves 2 feet or less. 
.FRIDAY NIGHT...Southwest winds 15 to 20 knots diminishing to 10 
to 15 knots. A chance of showers in the evening. Waves 1 to 3 
feet. 
.SATURDAY...West winds 10 to 15 knots increasing to 15 to 20 
knots. A chance of showers in the afternoon. Waves 2 to 4 feet.
.SATURDAY NIGHT...West winds 5 to 15 knots. A chance of showers
in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet. 
.SUNDAY...West winds 5 to 10 knots becoming southwest. Becoming
mainly clear. Waves 2 feet or less. 
.MONDAY...Southwest winds 5 to 10 knots. Mainly clear...then
becoming partly cloudy. Waves 2 feet or less. 
.TUESDAY...Southwest winds 10 to 15 knots. A chance of showers
during the day...then a chance of showers and thunderstorms
Tuesday night. Waves 2 feet or less. 

Winds and waves higher in and near thunderstorms.

The water temperature off Rochester is 71 degrees.

$$

LOZ045-180315-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
737 PM EDT Thu Aug 17 2017

.TONIGHT...East winds less than 10 knots becoming southeast and
increasing to 15 to 20 knots after midnight. A chance of showers
and thunderstorms early...then showers and thunderstorms from
late evening on. Waves 1 foot or less building to 1 to 3 feet. 
.FRIDAY...South winds 15 to 20 knots becoming southwest 5 to 15 
knots. Showers likely with a chance of thunderstorms in the 
morning...then showers and thunderstorms likely in the afternoon. 
Waves 1 to 3 feet subsiding to 1 foot or less. 
.FRIDAY NIGHT...Southwest winds 10 to 15 knots. A chance of
showers. Waves 1 to 3 feet. 
.SATURDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. A chance of showers in the morning. Waves 1 to 3 feet
building to 2 to 4 feet. 
.SATURDAY NIGHT...West winds 5 to 15 knots. Partly to mostly
cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet. 
.SUNDAY...West winds 5 to 15 knots becoming southwest. Becoming
mainly clear. Waves 2 feet or less. 
.MONDAY...Southwest winds 5 to 10 knots becoming south. Mainly
clear...then becoming partly cloudy. Waves 2 feet or less. 
.TUESDAY...Southwest winds 10 to 15 knots. A chance of showers
during the day...then a chance of showers and thunderstorms
Tuesday night. Waves 1 to 3 feet. 

Winds and waves higher in and near thunderstorms.

$$


968 
FZUS53 KAPX 172006
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
406 PM EDT Thu Aug 17 2017

For waters within five nautical miles of shore on Lakes Huron...
Michigan and Superior

LSZ321-180415-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
406 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...Southeast wind 10 to 15 knots with gusts to around
25 knots. Patchy fog early in the evening, then areas of fog
after midnight. showers likely and a chance of thunderstorms
early in the evening, then chance of showers and slight chance of
thunderstorms after midnight. Waves 2 to 3 feet. 
.FRIDAY...West wind 15 to 20 knots with gusts to around 25 knots.
Patchy fog. showers likely. Waves 3 to 5 feet. 
.FRIDAY NIGHT...Northwest wind 15 to 20 knots with gusts to
around 25 knots. Mostly cloudy. Waves 3 to 5 feet. 
.SATURDAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves
2 to 3 feet. 

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LSZ322-180415-
St. Marys River Point Iroquois to E. Potagannissing Bay-
406 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...Southeast wind 10 to 15 knots with gusts to around
25 knots becoming south 5 to 10 knots early in the morning.
Patchy fog through the night. chance of thunderstorms early in
the evening. Showers likely through the night. 
.FRIDAY...West wind 10 to 15 knots with gusts to around 25 knots.
Patchy fog. chance of showers. 
.FRIDAY NIGHT...West wind 10 to 15 knots with gusts to around
25 knots. Mostly cloudy. 
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. 

Winds higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ341-180415-
Seul Choix Point to 5NM West of Mackinac Bridge-
406 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...South wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 20 knots after midnight. Patchy fog
through the night. chance of thunderstorms early in the evening.
Chance of showers through the night. Waves 2 to 3 feet. 
.FRIDAY...West wind 10 to 20 knots with gusts to around 25 knots.
Patchy fog. chance of showers. Waves 2 to 4 feet. 
.FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to
around 25 knots. Mostly cloudy. Waves 2 to 4 feet. 
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less. 

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ345-180415-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
406 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...South wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 20 knots after midnight. Patchy fog
through the night. chance of thunderstorms early in the evening.
Chance of showers through the night. Waves 2 to 4 feet subsiding
to 2 feet or less after midnight. 
.FRIDAY...West wind 10 to 20 knots with gusts to around 25 knots.
Patchy fog. chance of showers. Waves 2 to 4 feet. 
.FRIDAY NIGHT...West wind 10 to 15 knots with gusts to around
25 knots. Mostly cloudy. Waves 2 to 3 feet. 
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less. 

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-180415-
St Ignace to False Detour Channel-
406 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...Southeast wind 10 to 20 knots with gusts to around
25 knots becoming southwest 10 to 15 knots with gusts to around
20 knots after midnight. Patchy fog through the night. showers
likely and a chance of thunderstorms early in the evening. Chance
of showers after midnight. Waves 3 to 5 feet subsiding to 2 to
4 feet after midnight. 
.FRIDAY...West wind 15 to 20 knots with gusts to around 25 knots.
Patchy fog. chance of showers. Waves 2 to 4 feet. 
.FRIDAY NIGHT...West wind 15 to 20 knots with gusts to around
25 knots. Mostly cloudy. Waves 2 to 4 feet. 
.SATURDAY...West wind 10 to 15 knots. Mostly sunny. Waves 2 feet
or less. 

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ342-180415-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
406 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...Southwest wind 10 to 20 knots. Gusts up to 25 knots.
Patchy fog through the night. slight chance of thunderstorms
early in the evening. Chance of showers through the night. Waves
2 feet or less building to 2 to 4 feet after midnight. 
.FRIDAY...West wind 10 to 20 knots with gusts to around 25 knots.
Chance of showers. Waves 4 to 6 feet. 
.FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to
around 25 knots. Mostly cloudy. Waves 3 to 5 feet. 
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less. 

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ344-180415-
Sleeping Bear Point to Grand Traverse Light MI-
406 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...West wind 10 to 20 knots. Gusts up to 25 knots. Patchy
fog through the night. slight chance of thunderstorms early in
the evening. Chance of showers through the night. Waves 2 to
4 feet. 
.FRIDAY...West wind 10 to 20 knots with gusts to around 30 knots.
Chance of showers. Waves 4 to 6 feet. 
.FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to
around 20 knots. Mostly cloudy. Waves 2 to 4 feet. 
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less. 

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ345-346-180415-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
406 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...West wind 10 to 20 knots. Gusts up to 25 knots. Chance
of showers through the night. patchy fog after midnight. Waves
4 to 6 feet. 
.FRIDAY...West wind 10 to 20 knots with gusts to around 25 knots.
Chance of showers. Waves 4 to 6 feet. 
.FRIDAY NIGHT...Northwest wind 5 to 10 knots. Mostly cloudy.
Waves 2 to 4 feet. 
.SATURDAY...West wind 5 to 10 knots. Sunny. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ323-180415-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
406 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...West wind 10 to 20 knots. Gusts up to 25 knots. Patchy
fog through the night. slight chance of thunderstorms early in
the evening. Chance of showers through the night. Waves 2 to
3 feet. 
.FRIDAY...West wind 10 to 20 knots with gusts to around 25 knots.
Chance of showers. Waves 3 to 5 feet. 
.FRIDAY NIGHT...Northwest wind 10 to 15 knots with gusts to
around 20 knots. Mostly cloudy. Waves 2 to 4 feet. 
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less. 

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ347-180415-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
406 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots. Patchy fog through the night. chance of thunderstorms
early in the evening. Chance of showers through the night. Waves
3 to 5 feet subsiding to 2 to 3 feet after midnight. 
.FRIDAY...West wind 10 to 20 knots with gusts to around 30 knots.
Patchy fog. chance of showers. Waves 3 to 5 feet. 
.FRIDAY NIGHT...West wind 10 to 20 knots with gusts to around
30 knots. Mostly cloudy. Waves 3 to 5 feet. 
.SATURDAY...West wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 2 to 4 feet. 

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ348-180415-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
406 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots. Patchy fog through the night. chance of showers and
thunderstorms early in the evening. Slight chance of showers
after midnight. Waves 3 to 5 feet subsiding to 2 to 4 feet after
midnight. 
.FRIDAY...West wind 10 to 20 knots with gusts to around 25 knots.
Patchy fog. chance of showers. Waves 3 to 5 feet. 
.FRIDAY NIGHT...West wind 10 to 20 knots with gusts to around
25 knots. Mostly cloudy. Waves 3 to 5 feet. 
.SATURDAY...West wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 2 to 4 feet. 

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-180415-
Sturgeon Pt to Alabaster MI-
406 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
25 knots. Slight chance of showers and thunderstorms early in the
evening. patchy fog through the night. Waves 2 to 4 feet
subsiding to 2 to 3 feet after midnight. 
.FRIDAY...West wind 10 to 15 knots with gusts to around 25 knots.
Slight chance of showers. Waves 2 to 3 feet. 
.FRIDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots. Mostly cloudy. Waves 2 feet or less. 
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less. 

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

  


000
FZUS53 KDTX 171953
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
352 PM EDT Thu Aug 17 2017

For waters within five nautical miles of shore

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

LHZ422-180300-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
352 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

.TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Mostly cloudy. A chance of showers and
thunderstorms in the evening...then a slight chance of
thunderstorms after midnight. A slight chance of light showers
after midnight. Waves 1 to 3 feet. 
.FRIDAY...West winds 15 to 20 knots. Mostly cloudy. A slight
chance of light showers until late afternoon. Waves 2 to 4 feet. 
.FRIDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Mostly cloudy early
in the evening becoming partly cloudy. Waves 1 to 3 feet. 
.SATURDAY...West winds 10 to 15 knots diminishing to 5 to
10 knots in the afternoon. Partly cloudy. Waves around 2 feet or
less. 

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ421-180300-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
352 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

.TONIGHT...South winds 10 to 15 knots becoming southwest 15 to
20 knots after midnight. Mostly cloudy. A chance of showers and
thunderstorms in the evening...then a slight chance of
thunderstorms after midnight. A slight chance of showers after
midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and early morning...then building to 2 to 4 feet early in
the morning. 
.FRIDAY...Southwest winds 15 to 20 knots becoming west 20 to
25 knots early in the afternoon...then diminishing to 15 to
20 knots late in the afternoon. Mostly cloudy. A slight chance of
light showers until late afternoon. Waves 3 to 5 feet. Waves
occasionally around 7 feet. 
.FRIDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots early in the morning. Mostly cloudy early in the evening
becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight. 
.SATURDAY...West winds 10 to 15 knots diminishing to 5 to
10 knots in the afternoon. Partly cloudy. Waves 1 to 3 feet. 

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ441-180300-
Port Austin to Harbor Beach MI-
352 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...South winds 10 to 15 knots becoming southwest 15 to
20 knots early in the morning. Mostly cloudy. A chance of showers
and thunderstorms until early morning...then a chance of light
showers early in the morning. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight. 
.FRIDAY...West winds 15 to 20 knots. Mostly cloudy. A chance of
light showers early in the morning...then a slight chance of
light showers in the late morning and afternoon. Waves 2 to
4 feet. 
.FRIDAY NIGHT...West winds 15 to 20 knots. Mostly cloudy early in
the evening becoming partly cloudy. Waves 2 to 4 feet subsiding
to 1 to 3 feet early in the morning. 
.SATURDAY...West winds 15 to 20 knots diminishing to 5 to
10 knots. Partly cloudy. Waves 1 to 3 feet. 

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ442-180300-
Harbor Beach to Port Sanilac MI-
352 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...Southwest winds 10 to 15 knots. Mostly cloudy. A
chance of showers and thunderstorms until early morning...then a
slight chance of light showers early in the morning. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight. 
.FRIDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots in the afternoon. Mostly cloudy with a slight chance of
light showers. Waves 1 to 3 feet. 
.FRIDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Mostly cloudy early
in the evening becoming partly cloudy. Waves 1 to 3 feet. 
.SATURDAY...West winds 10 to 15 knots becoming northwest 5 to
10 knots late in the afternoon. Partly cloudy. Waves around
2 feet or less. 

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ443-180300-
Port Sanilac to Port Huron MI-
352 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING...

.TONIGHT...Southwest winds 10 to 15 knots. Mostly cloudy until
early morning becoming partly cloudy. Showers and thunderstorms
likely early in the evening...then a chance of showers and
thunderstorms in the late evening and early morning. A slight
chance of light showers early in the morning. Waves 1 to 3 feet. 
.FRIDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots late in the afternoon. Mostly cloudy with a slight
chance of light showers. Waves 1 to 3 feet. 
.FRIDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Mostly cloudy early
in the evening becoming partly cloudy. Waves around 2 feet or
less. 
.SATURDAY...West winds 10 to 15 knots becoming northwest 5 to
10 knots in the afternoon. Partly cloudy. A chance of showers and
thunderstorms until late afternoon. Waves around 2 feet or less. 

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LEZ444-180300-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
352 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING...

.TONIGHT...Southwest winds 10 to 15 knots. Mostly cloudy early in
the evening becoming partly cloudy. A chance of showers and
thunderstorms early in the evening...then a slight chance of
thunderstorms in the late evening and early morning. A slight
chance of light showers in the late evening and overnight. Waves
1 to 3 feet. 
.FRIDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots in the afternoon. Partly cloudy. A slight chance of
light showers early in the morning. Waves 1 to 3 feet. 
.FRIDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Partly cloudy. Waves around 2 feet or
less. 
.SATURDAY...West winds 5 to 10 knots. Partly cloudy with a chance
of showers and thunderstorms. Waves around 2 feet or less. 

See Lake Erie Open Lake Forecast for days 3 through 5.

The water temperature at Belle Isle is 74.4 degrees.

$$

MR

You can obtain your latest National Weather Service forecasts online
a www.weather.gov/greatlakes

000
FZUS53 KGRR 171944
NSHGRR

Nearshore Marine Forecast
National Weather Service Grand Rapids MI
344 PM EDT Thu Aug 17 2017

For waters within five nautical miles of shore on Lake Michigan

LMZ849-180315-
Pentwater to Manistee MI-
344 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...West winds to 30 knots. Cloudy with a chance of showers.
Waves 5 to 7 feet. 
.FRIDAY...West winds to 30 knots becoming northwest 10 to 20 knots
late in the day. Mostly cloudy. A slight chance of showers until
midday. Waves 5 to 7 feet. 
.FRIDAY NIGHT...Northwest winds 5 to 10 knots. Partly cloudy. Waves
2 to 4 feet subsiding to 1 to 3 feet after midnight. 
.SATURDAY...West winds around 10 knots backing southwest late in the
day. Sunny. Waves around 1 foot. 

$$

LMZ848-180315-
Whitehall to Pentwater MI-
344 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...West winds to 30 knots. Cloudy with a chance of showers.
Waves 5 to 7 feet. 
.FRIDAY...West winds to 30 knots decreasing to 10 to 20 knots late
in the day. Mostly cloudy. A slight chance of showers until midday.
Waves 5 to 7 feet. 
.FRIDAY NIGHT...Northwest winds 10 to 15 knots. Partly cloudy. A
slight chance of showers in the evening, then a slight chance of
showers and thunderstorms overnight. Waves 2 to 4 feet subsiding to
1 to 3 feet after midnight. 
.SATURDAY...Northwest winds around 10 knots backing west late in the
day. Sunny. Waves around 1 foot. 

$$

LMZ847-180315-
Grand Haven to Whitehall MI-
344 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...West winds to 30 knots. Cloudy with a chance of showers.
Waves 5 to 7 feet. 
.FRIDAY...West winds to 30 knots decreasing to 10 to 20 knots late
in the day. Mostly cloudy. A slight chance of showers until midday.
Waves 6 to 8 feet. 
.FRIDAY NIGHT...Northwest winds 10 to 15 knots. Partly cloudy. A
slight chance of showers in the evening, then a slight chance of
showers and thunderstorms overnight. Waves 2 to 4 feet.
.SATURDAY...West winds 5 to 10 knots. Sunny. Waves 1 to 2 feet. 

$$

LMZ846-180315-
Holland to Grand Haven MI-
344 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...West winds 20 to 25 knots. Mostly cloudy with a chance of
showers. Waves 5 to 7 feet. 
.FRIDAY...West winds 15 to 25 knots. Mostly cloudy. A slight chance
of showers until midday. Waves 6 to 8 feet. 
.FRIDAY NIGHT...Northwest winds 10 to 15 knots. Partly cloudy. A
slight chance of showers in the evening, then a chance of showers
and a slight chance of thunderstorms overnight. Waves 3 to 5 feet
subsiding to 2 to 3 feet after midnight. 
.SATURDAY...West winds around 10 knots. Sunny. A slight chance of
showers and thunderstorms until midday. Waves 1 to 2 feet. 

$$

LMZ845-180315-
South Haven to Holland MI-
344 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...West winds 20 to 25 knots. Mostly cloudy with a slight
chance of showers. Waves 5 to 7 feet. 
.FRIDAY...West winds to 30 knots decreasing to 15 to 20 knots late
in the day. Partly sunny. Waves 6 to 8 feet. 
.FRIDAY NIGHT...Northwest winds 10 to 15 knots. Partly cloudy. A
slight chance of showers in the evening, then a chance of showers
and a slight chance of thunderstorms overnight. Waves 3 to 5 feet
subsiding to 2 to 3 feet after midnight. 
.SATURDAY...Northwest winds 5 to 10 knots. Mostly sunny. A slight
chance of showers and thunderstorms until midday. Waves 1 to 2 feet.

$$

LMZ844-180315-
St Joseph to South Haven MI-
344 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...West winds 15 to 25 knots. Partly cloudy in the evening
then becoming mostly cloudy. A slight chance of showers. Waves 5 to
7 feet. 
.FRIDAY...West winds 15 to 25 knots. Partly sunny. Waves 5 to
7 feet. 
.FRIDAY NIGHT...Northwest winds 10 to 15 knots. Partly cloudy with a
slight chance of showers in the evening, then mostly cloudy with a
chance of showers and a slight chance of thunderstorms overnight.
Waves 2 to 4 feet.
.SATURDAY...Northwest winds 5 to 10 knots. Mostly sunny. A slight
chance of showers and thunderstorms until midday. Waves 1 to 2 feet.

$$

000
FZUS53 KMQT 172341
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
740 PM EDT Thu Aug 17 2017

For waters within five nautical miles of shore

Waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. Occasional wave height is the
average of the highest 1/10 of the wave spectrum.

LSZ240-241-180800-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
741 PM EDT Thu Aug 17 2017 /641 PM CDT Thu Aug 17 2017/

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.REST OF TONIGHT...Northwest wind 15 to 20 knots with gusts up to
27 knots. Cloudy. Scattered showers through midnight, then
isolated showers late. Patchy fog through the night. Waves 2 to
4 feet building to 3 to 6 feet occasionally to 8 feet, then
subsiding to 3 to 5 feet occasionally to 7 feet. 
.FRIDAY...Northwest wind 15 to 20 knots backing west 10 to
15 knots late. Mostly cloudy. Waves subsiding to 2 to 3 feet. 
.FRIDAY NIGHT...Southwest wind less than 10 knots. Mostly clear.
Waves subsiding to 1 to 2 feet. 
.SATURDAY...West wind less than 10 knots. Mostly sunny. Waves
calm to 1 foot. 

$$

LSZ242-243-180800-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
741 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM EDT FRIDAY THROUGH
FRIDAY AFTERNOON...

.REST OF TONIGHT...North wind 15 to 20 knots backing northwest
after midnight. Gusts up to 27 knots. Cloudy. Numerous showers
and isolated thunderstorms in the evening, then scattered showers
after midnight. Areas of fog through the night. Waves 2 to 3 feet
building to 3 to 6 feet occasionally to 8 feet, then subsiding to
3 to 5 feet occasionally to 7 feet. 
.FRIDAY...Northwest wind 15 to 20 knots backing west 10 to
20 knots in the afternoon. Mostly cloudy. Patchy fog in the
morning. Waves subsiding to 2 to 3 feet. 
.FRIDAY NIGHT...West wind less than 10 knots. Partly cloudy.
Waves subsiding to 1 to 2 feet. 
.SATURDAY...West wind 10 to 15 knots. Mostly sunny. Waves 1 to
2 feet. 

$$

LSZ244-245-180800-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
741 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.REST OF TONIGHT...Northeast wind 10 to 15 knots backing
northwest 15 to 20 knots late. Cloudy. Widespread fog in the
evening. Areas of fog after midnight. Numerous showers in the
evening. Isolated thunderstorms through midnight. Scattered
showers after midnight. Waves 3 to 6 feet occasionally to 8 feet
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
3 to 6 feet occasionally to 8 feet. 
.FRIDAY...Northwest wind 10 to 20 knots with gusts up to
28 knots. Cloudy. A slight chance of showers in the morning.
Patchy fog through mid afternoon. Waves subsiding to 2 to 4 feet.
.FRIDAY NIGHT...West wind 5 to 15 knots. Mostly cloudy through
midnight then becoming mostly clear. Waves subsiding to 1 to
2 feet. 
.SATURDAY...West wind 10 to 15 knots. Mostly sunny. Waves 1 to
2 feet. 

$$

LSZ246-247-180800-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
741 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.REST OF TONIGHT...North wind less than 10 knots backing
northwest 10 to 15 knots after midnight. Gusts up to 25 knots.
Cloudy. Areas of fog through the night. Numerous showers in the
evening. Isolated thunderstorms through midnight. Scattered
showers after midnight. Waves 3 to 5 feet occasionally to 7 feet
subsiding to 2 to 3 feet. 
.FRIDAY...Northwest wind 10 to 20 knots. Cloudy. A slight chance
of showers in the morning. Patchy fog through mid afternoon.
Waves subsiding to 1 to 2 feet. 
.FRIDAY NIGHT...West wind less than 10 knots. Mostly cloudy
through midnight then becoming mostly clear. Waves 1 to 2 feet. 
.SATURDAY...West wind less than 10 knots. Mostly sunny. Waves
calm to 1 foot. 

$$

LSZ248-180800-
Huron Islands to Marquette MI-
741 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT...

.REST OF TONIGHT...Northwest wind 10 to 20 knots increasing to
20 to 25 knots late. Gusts up to 32 knots. Numerous showers and
isolated thunderstorms through midnight, then scattered showers
late. Areas of fog through the night. Waves 2 to 4 feet subsiding
to 2 to 3 feet, then building to 3 to 5 feet occasionally to
7 feet. 
.FRIDAY...Northwest wind 15 to 25 knots with gusts up to
32 knots. Cloudy. A chance of showers in the morning. Patchy fog
through mid afternoon. Waves building to 3 to 6 feet occasionally
to 8 feet, then subsiding to 2 to 4 feet. 
.FRIDAY NIGHT...West wind 5 to 15 knots. Mostly cloudy through
midnight then becoming mostly clear. Waves subsiding to 1 to
2 feet. 
.SATURDAY...West wind less than 10 knots. Mostly sunny. Waves
calm to 1 foot. 

$$

LSZ249-250-180800-
Marquette to Munising MI-
Munising to Grand Marais MI-
741 PM EDT Thu Aug 17 2017

.REST OF TONIGHT...Southeast wind less than 10 knots veering west
10 to 20 knots after midnight, then veering northwest 15 to
25 knots late. Gusts up to 33 knots. Cloudy. Scattered showers
and isolated thunderstorms through midnight, then scattered
showers late. Patchy fog through the night. Waves 2 to 3 feet
subsiding to 1 to 2 feet, then building to 3 to 6 feet
occasionally to 8 feet. 
.FRIDAY...Northwest wind 15 to 25 knots with gale force gusts up
to 34 knots. Cloudy. Patchy fog through mid afternoon. A chance
of showers in the morning, then a slight chance of showers in the
afternoon. Waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 
.FRIDAY NIGHT...Northwest wind 10 to 20 knots backing west less
than 10 knots after midnight. Mostly cloudy with a slight chance
of showers through midnight, then partly cloudy after midnight.
Waves subsiding to 2 to 3 feet. 
.SATURDAY...West wind less than 10 knots. Mostly sunny. Waves
subsiding to 1 to 2 feet. 

$$

LSZ251-180800-
Grand Marais to Whitefish Point MI-
741 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT FRIDAY...

.REST OF TONIGHT...Southeast wind 5 to 15 knots veering southwest
late. Gusts up to 24 knots. Cloudy. Patchy fog through the night.
Scattered thunderstorms in the evening. Scattered showers through
the night. Isolated thunderstorms after midnight. Waves 2 to
4 feet subsiding to 1 to 2 feet. 
.FRIDAY...West wind 10 to 20 knots veering northwest 20 to
25 knots in the afternoon. Cloudy. Patchy fog through the day. A
chance of showers in the morning. A slight chance of showers in
the afternoon, then a chance of showers late. Waves building to
3 to 6 feet occasionally to 8 feet. 
.FRIDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy. A
slight chance of showers through midnight. Waves subsiding to
2 to 3 feet. 
.SATURDAY...West wind less than 10 knots. Mostly sunny. Waves
subsiding to 1 to 2 feet. 

$$

LMZ221-180800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
741 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT FRIDAY...

.REST OF TONIGHT...Southwest wind 10 to 20 knots veering
northwest 15 to 20 knots late. Gusts up to 29 knots. Cloudy.
Patchy fog through midnight. Scattered showers through midnight,
then isolated showers late. Waves 2 to 3 feet subsiding to 1 to
2 feet, then building to 2 to 4 feet. 
.FRIDAY...Northwest wind 10 to 20 knots with gusts up to
29 knots. Mostly cloudy. Waves subsiding to 2 to 3 feet. 
.FRIDAY NIGHT...Northwest wind 5 to 15 knots. Mostly cloudy
through midnight then becoming partly cloudy. Waves subsiding to
1 to 2 feet, then building to 2 to 4 feet. 
.SATURDAY...West wind less than 10 knots backing southwest by mid
afternoon. Mostly sunny. A slight chance of showers and
thunderstorms by mid afternoon. Waves subsiding to 1 to 2 feet. 

$$

LMZ248-250-180800-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
741 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT FRIDAY...

.REST OF TONIGHT...South wind 10 to 15 knots veering northwest
10 to 20 knots late. Gusts up to 30 knots. Cloudy. Isolated
showers in the evening, then scattered showers after midnight.
Patchy fog through the night. Waves 3 to 5 feet occasionally to
7 feet subsiding to 2 to 4 feet. 
.FRIDAY...Northwest wind 10 to 20 knots with gusts up to
30 knots. Cloudy. A slight chance of showers in the morning.
Waves subsiding to 2 to 3 feet. 
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy
through midnight then becoming partly cloudy. Waves subsiding to
1 to 2 feet. 
.SATURDAY...West wind less than 10 knots backing southwest by mid
afternoon. Mostly sunny. Waves calm to 1 foot. 

$$

WFO MQT

658 
FZUS53 KLOT 171959
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
259 PM CDT Thu Aug 17 2017

For waters within five nautical miles of shore on Lake Michigan

Waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.

LMZ740>742-180345-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
259 PM CDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...West winds 20 to 25 kt...easing to 15 to 20 kt
overnight. Mostly cloudy in the evening then becoming partly 
cloudy. Waves 1 to 3 ft. 
.FRIDAY...West winds 15 to 20 kt. Mostly sunny. Waves 1 to 3 ft.
.FRIDAY NIGHT...West winds 10 to 15 kt. Chance of showers and
slight chance of thunderstorms. Waves subsiding to 2 ft or less.
.SATURDAY...North winds 5 to 10 kt becoming east in the
afternoon. Mostly sunny. Waves 1 ft or less.  

$$

LMZ743>745-180345-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
259 PM CDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...West winds 20 to 25 kt easing to 15 to 20 kt by morning.
Partly cloudy. Waves 2 to 4 ft building to 3 to 5 ft in the late 
evening and overnight.
.FRIDAY...West winds 15 to 20 kt. Mostly sunny. Waves 3 to 5 ft 
subsiding to 2 to 4 ft in the afternoon. 
.FRIDAY NIGHT...West winds 10 to 15 kt. Chance of showers and
slight chance of thunderstorms. Waves 1 to 3 ft subsiding to 2 ft
or less after midnight. 
.SATURDAY...Northwest winds 5 to 10 kt becoming northeast in the
afternoon. Slight chance of showers in the morning. Waves 1 ft or
less.  

$$

Ratzer


000
FZUS53 KMKX 180006
NSHMKX

Nearshore Marine Forecast
National Weather Service MILWAUKEE/SULLIVAN WI
706 PM CDT Thu Aug 17 2017

For waters within five nautical miles of shore on Lake Michigan

LMZ643-180400-
Sheboygan to Port Washington WI-
706 PM CDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots. Chance
of showers in the evening, then slight chance of showers late in
the evening. Waves 2 to 4 feet subsiding to 1 to 2 feet in the
late evening and overnight. 
.FRIDAY...West wind 15 to 20 knots easing to 10 to 15 knots in
the afternoon. Gusts up to 25 knots. Partly sunny. Waves 1 to
2 feet. 
.FRIDAY NIGHT...West wind 10 to 15 knots easing to 5 to 10 knots
after midnight. Slight chance of showers and thunderstorms
through around midnight. Waves around 1 foot. 
.SATURDAY...West wind 5 to 10 knots backing southwest late in the
afternoon. Sunny. Waves around 1 foot. 

$$
LMZ644-180400-
Port Washington to North Point Light WI-
706 PM CDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...West wind 15 to 20 knots with gusts to around
25 knots. Slight chance of showers through around midnight. Waves
1 to 2 feet. 
.FRIDAY...West wind 15 to 20 knots easing to 10 to 15 knots in
the afternoon. Gusts up to 25 knots. Partly sunny. Waves 1 to
2 feet. 
.FRIDAY NIGHT...West wind 10 to 15 knots easing to 5 to 10 knots
in the late evening and overnight. Slight chance of showers and
thunderstorms through the night. Waves around 1 foot. 
.SATURDAY...West wind 5 to 10 knots backing southwest in the
afternoon. Sunny. Waves nearly calm. 

$$
LMZ645-180400-
North Point Light to Wind Point WI-
706 PM CDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...West wind 15 to 20 knots with gusts to around
25 knots. Slight chance of showers through around midnight. Waves
1 to 2 feet. 
.FRIDAY...West wind 15 to 20 knots with gusts to around 25 knots
easing to 10 to 15 knots with gusts to around 20 knots in the
afternoon. Partly sunny. Waves 1 to 2 feet. 
.FRIDAY NIGHT...West wind 10 to 15 knots easing to 5 to 10 knots
after midnight. Chance of showers through around midnight. Slight
chance of thunderstorms through the night. Slight chance of
showers after midnight. Waves around 1 foot. 
.SATURDAY...West wind 5 to 10 knots backing south in the
afternoon. Mostly sunny. Waves nearly calm. 

$$
LMZ646-180400-
Wind Point WI to Winthrop Harbor IL-
706 PM CDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...West wind 15 to 20 knots with gusts to around
25 knots. Slight chance of showers in the evening. Waves 1 to
2 feet. 
.FRIDAY...West wind 15 to 20 knots easing to 10 to 15 knots in
the late morning and afternoon. Gusts up to 25 knots. Partly
sunny. Waves 1 to 2 feet. 
.FRIDAY NIGHT...West wind 10 to 15 knots easing to 5 to 10 knots
after midnight. Chance of showers and slight chance of
thunderstorms. Waves around 1 foot. 
.SATURDAY...Northwest wind 5 to 10 knots veering east early in
the afternoon, then veering south late in the afternoon. Mostly
sunny. Waves nearly calm. 

$$
See Lake Michigan Open Waters Forecast for Sunday through Tuesday.


000
FZUS53 KGRB 172011
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
311 PM CDT Thu Aug 17 2017

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-180415-
Green Bay south of line from Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
311 PM CDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...SW wind 15 to 25 kts veering to the NW late in the
evening. Waves 1 to 3 ft. A chance of showers. 
.FRIDAY...NW wind 15 to 25 kts decreasing to 10 to 15 kts early
in the afternoon. Waves 1 to 3 ft. Partly sunny. 
.FRIDAY NIGHT...W wind 5 to 10 kts. Waves 2 ft or less. Partly
cloudy. 
.SATURDAY...W wind 5 to 10 kts. Waves 2 ft or less. Mostly sunny.

$$

LMZ541>543-180415-
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
311 PM CDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...SW wind 15 to 25 kts veering to the NW after midnight.
Waves 3 to 5 ft subsiding to 2 to 4 ft after midnight. A chance 
of showers. 
.FRIDAY...NW wind 15 to 25 kts decreasing to 10 to 15 kts early
in the afternoon. Waves 1 to 3 ft. Partly sunny. 
.FRIDAY NIGHT...W wind 10 to 15 kts. Waves 2 ft or less. Partly
cloudy. 
.SATURDAY...SW wind 5 to 10 kts. Waves 2 ft or less. Mostly
sunny.  

$$

See Lake Michigan Open Lake Forecast for Sunday through Tuesday.

MPC

000
FZUS53 KDLH 172031
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
331 PM CDT Thu Aug 17 2017

For waters within five nautical miles of shore on Lake Superior

LSZ140>142-180430-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
331 PM CDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...Northwest wind 10 to 15 knots with gusts to around
25 knots. Chance of rain showers early in the evening, then
slight chance of rain showers late in the evening. Waves 4 to
6 feet subsiding to 2 to 4 feet late in the night.
.FRIDAY...Northwest wind 10 to 15 knots. Gusts up to 25 knots.
Partly sunny. Waves 2 to 4 feet. 
.FRIDAY NIGHT...West wind 5 knots. Partly cloudy. Waves 2 feet or
less. 
.SATURDAY...Southwest wind 5 to 10 knots. Sunny. Waves 2 feet or
less. 

$$

LSZ143>146-180430-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
331 PM CDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.TONIGHT...Northwest wind 10 to 15 knots. Slight chance of rain
showers early in the evening. Waves 3 to 5 feet subsiding to 2 to
4 feet after midnight.
.FRIDAY...West wind 5 to 10 knots. Partly sunny. Waves 2 to
4 feet. 
.FRIDAY NIGHT...West wind 5 to 10 knots. Chance of showers and
thunderstorms. Waves 2 feet or less. 
.SATURDAY...Southwest wind 5 to 10 knots. Sunny. Waves 2 feet or
less. 

$$

LSZ147-180430-
Sand Island to Bayfield WI-
331 PM CDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...Northwest wind 10 to 15 knots. Chance of showers early
in the evening, then slight chance of showers late in the
evening. Waves 3 to 5 feet. 
.FRIDAY...Northwest wind 10 to 15 knots becoming west 5 to
10 knots in the late morning and afternoon. Partly sunny. Waves
2 to 4 feet.
.FRIDAY NIGHT...West wind 5 to 10 knots. Slight chance of showers
and thunderstorms in the evening. Waves 2 feet or less. 
.SATURDAY...Southwest wind 5 to 10 knots. Sunny. Waves 2 feet or
less. 

$$

LSZ121-148-180430-
Chequamegon Bay-Bayfield to Oak Point WI-
Oak Point to Saxon Harbor WI-
331 PM CDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots
until early morning. Chance of rain showers early in the evening,
then slight chance of rain showers in the late evening and early
morning. Patchy fog after midnight. Waves 3 to 5 feet. 
.FRIDAY...Northwest wind 10 to 15 knots becoming west 5 knots
late in the afternoon. Partly sunny. Waves 3 to 5 feet subsiding
to 2 to 4 feet in the late morning and afternoon. 
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain
showers and slight chance of thunderstorms. Waves 2 feet or less.
.SATURDAY...West wind 5 to 10 knots. Sunny. Waves 2 feet or less.

$$

JTS

000
SXUS81 KCLE 261259
OMRGL1
SXUS81 KCLE 261245
OMRGL1
 
GREAT LAKES MARINE WEATHER BROADCAST
NATIONAL WEATHER SERVICE CLEVELAND OH
1145 UTC May 26 2015
 
     CURRENT SPEED IN KNOTS..WAVE HEIGHT IN FEET..VISIBILITY IN MILES
F=FOG H=HAZE R=RAIN S=SNOW L=DRIZZLE T=THUNDERSTORM D=DUST Z=FREEZING
 
     LAKE SUPERIOR         6 AM EST                     5 AM EST
STATION               WIND   GUST WAVE  VSBY/WX   WIND   GUST WAVE VSBY/WX
Point Iroquois, MI      /                        110/ 5    8           
Southwest Pier, MI      /                        090/ 1    1           
Whitefish Point, MI  /                   /  
Grand Marais MN         /                        999/-9    M           
Munising, MI            /                        999/-9    M           
Marquette C.G., MI      /                          0/      2           
Big Bay MI              /                          0/      1           
Copper Harbor MI     999/-9  999        M        340/ 9   16       M  
Portage Canal MI        /                        240/ 3    5           
Ontonagon MI            /                           /                  
Saxon Harbor, WI        /                        340/ 2    4           
Devils Island WI        /                        270/ 5    6           
Duluth, MN              /                        110/ 2    3           
Silver Bay MN           /                           /                  
Grand Marias, MI        /                        999/-9    M           
Rock of Ages, MI        /                           /                  
Passage Island MI       /                        350/ 8   10           
Silver Bay, MN          /                           /               
Port Wing WI            /                           /                  
Little Rapids, MI       /                        190/ 4    5           
Thunder Bay ONT      270/ 3  999       20        240/ 2  999   R- 20
 
...BUOY & SHIP OBSERVATIONS,  6 AM EST...
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
47.6 86.6 37 WNW Caribou Island Lt          /         00                
48.1 87.8 43 N Manitou Island               /         00                
47.3 89.8 27 ENE Outer Island Lt            /         00                
48.9 86.9 27 S Slate Island                 /         00                
 
...BUOY & SHIP OBSERVATIONS,  5 AM EST...
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
47.6 86.6 37 WNW Caribou Island Lt       140/ 2   4   01                
48.1 87.8 43 N Manitou Island            280/ 4   6   02                
47.3 89.8 27 ENE Outer Island Lt         300/ 4   4   01                
48.9 86.9 27 S Slate Island                 /         00                
47.2 85.9 WBP3210                        250/21   M   MM
 
...BUOY & SHIP OBSERVATIONS,  4 AM EST...
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
47.6 86.6 37 WNW Caribou Island Lt          /         00                
48.1 87.8 43 N Manitou Island               /         00                
47.3 89.8 27 ENE Outer Island Lt            /         00                
48.9 86.9 27 S Slate Island                 /         00                
 
 
      LAKE MICHIGAN         6 AM EST                     5 AM EST
STATION               WIND   GUST WAVE  VSBY/WX   WIND   GUST WAVE VSBY/WX
Naubinway, MI           /                           /                  
Manistique, MI          /                        180/ 5  999    F  0
Port Inland, MI         /                        140/ 4    6           
Fairport MI             /                          0/      1           
Escanaba MI             /                          0/    999       0
Menominee MI            /                        200/ 8   11           
Sister Bay, WI          /                           /                  
Algoma Cty Marina,WI    /                           /                  
Kewaunee, WI            /                        180/ 9   12           
Sheboygan Brkwtr WI     /                           /                  
Port Washington WI      /                           /                  
Milwaukee, WI        200/ 9  999       10        200/ 8  999      10
Kenosha, WI             /                        180/14   16           
Waukegan Harbor, IL     /                           /                  
Chicago                 /                        180/ 9  999       7
Calumet, IL             /                        190/ 9   14           
Burns Harbor, IN        /                        180/11   16           
Michigan City, IN       /                        250/ 8   10           
South Haven, MI         /                        170/ 9   12           
Milwaukee, WI           /                        140/ 7    8           
Muskegon, MI            /                        190/17   18           
Manitowoc WI            /                        190/ 5  999      10
Ludington, MI           /                        200/ 7   13           
Big Sable Pt, MI        /                           /                  
Manistee MI             /                        160/ 3  999      10
Traverse City MI        /                        999/-9  999      10
Mackinac Island MI      /                        200/ 8  999      10
St. Joseph, MI          /                        150/ 3   10           
Grand Traverse, MI      /                           /                  
 
...BUOY & SHIP OBSERVATIONS,  6 AM EST..
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
45.3 86.4 30 W Grand Traverse Lt            /         00                
42.7 87.0 39 SW Grand Haven RB              /         00                
 
...BUOY & SHIP OBSERVATIONS,  5 AM EST..
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
45.3 86.4 30 W Grand Traverse Lt         180/10  12   02                
42.7 87.0 39 SW Grand Haven RB           180/12  14   01                
 
...BUOY & SHIP OBSERVATIONS,  4 AM EST..
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
45.3 86.4 30 W Grand Traverse Lt            /         00                
42.7 87.0 39 SW Grand Haven RB              /         00                
 
     LAKE HURON            6 AM EST                     5 AM EST
STATION               WIND   GUST WAVE  VSBY/WX   WIND   GUST WAVE VSBY/WX
Ludington, MI           /                        210/ 6    9           
Harbor Beach, MI        /                        240/ 5    8           
Harbor Beach, MI        /                        250/ 8   10           
De Tour Village, MI     /                        210/ 4    7           
Rock Cut, MI            /                        210/ 2    5           
Killarney, ON        050/ 2  999        M           /               
 
...BUOY & SHIP OBSERVATIONS,  6 AM EST..
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
44.3 82.4 31 NNE Harbor Beach RB            /         00                
45.4 82.8 31 NE Thunder Bay Is Lt           /         00                
 
...BUOY & SHIP OBSERVATIONS,  5 AM EST..
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
44.3 82.4 31 NNE Harbor Beach RB         170/ 8  10   01                
45.4 82.8 31 NE Thunder Bay Is Lt        200/10  10   02                
 
...BUOY & SHIP OBSERVATIONS,  4 AM EST..
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
44.3 82.4 31 NNE Harbor Beach RB            /         00                
45.4 82.8 31 NE Thunder Bay Is Lt           /         00                
 
  ST.MARYS/GEO.BAY         6 AM EST                     5 AM EST
STATION               WIND   GUST WAVE  VSBY/WX   WIND   GUST WAVE VSBY/WX
Rock Cut, MI            /                        210/ 2    5           
Point Iroquois, MI      /                        110/ 5    8           
Southwest Pier, MI      /                        090/ 1    1           
De Tour Village, MI     /                        210/ 4    7           
Little Rapids, MI       /                        190/ 4    5           
Killarney, ON        190/ 4  999        9        160/ 4  999    F  3
Cove Island, ON         /                           /               
Collingwood, ON         /                           /               
 
...BUOY & SHIP OBSERVATIONS,  6 AM EST..
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
46.1 82.6 61 NW Cove Island                 /         00                
45.5 81.0 32 ENE Cove Island                /         00                
44.9 80.6 10 SW Western Island              /         00                
 
...BUOY & SHIP OBSERVATIONS,  5 AM EST...
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
46.1 82.6 61 NW Cove Island              240/ 6   8   01                
45.5 81.0 32 ENE Cove Island             230/ 6   8   01                
44.9 80.6 10 SW Western Island           230/14  16   01                
 
...BUOY & SHIP OBSERVATIONS,  4 AM EST...
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
46.1 82.6 61 NW Cove Island                 /         00                
45.5 81.0 32 ENE Cove Island                /         00                
44.9 80.6 10 SW Western Island              /         00                


000
SXUS81 KCLE 261059
OMRGL2
SXUS81 KCLE 261045
OMRGL2
 
GREAT LAKES MARINE WEATHER BROADCAST
NATIONAL WEATHER SERVICE CLEVELAND OH
1045 UTC May 26 2015
 
     CURRENT SPEED IN KNOTS..WAVE HEIGHT IN FEET..VISIBILITY IN MILES
F=FOG H=HAZE R=RAIN S=SNOW L=DRIZZLE T=THUNDERSTORM D=DUST Z=FREEZING
 
     LAKE ST.CLAIR         5 AM EST                     3 AM EST
STATION               WIND   GUST WAVE  VSBY/WX   WIND   GUST WAVE VSBY/WX
St. Clair Shores, MI 210/ 5    9                    /                  
Lake St Clair, MI       /                           /                  
Detroit City  MI     210/ 8  999       10        210/ 7  999      10
 
...BUOY & SHIP OBSERVATIONS,  5 AM EST...
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
42.4 82.7 7 SE Lake St. Clair Light         /         00                
 
...BUOY & SHIP OBSERVATIONS,  3 AM EST...
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
42.4 82.7 7 SE Lake St. Clair Light         /         00                
 
...BUOY & SHIP OBSERVATIONS,  2 AM EST...
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
42.4 82.7 7 SE Lake St. Clair Light         /         00                
 
 
      LAKE ERIE         5 AM EST                     3 AM EST
STATION               WIND   GUST WAVE  VSBY/WX   WIND   GUST WAVE VSBY/WX
Buffalo, NY          150/ 6    7                    /                  
Dunkirk, NY          220/ 7   12                    /                  
Northeast            MM0/MM        MM
Walnut Creek         160/08        MM
Ashtabula lighthouse   0/       
Clevlnd Lakeft AP OH 180/ 8  999       10        180/ 7  999      10
NWLON Cleveland, OH  180/ 3    5                    /                  
Huron Light, OH         /                           /                  
South Bass Is, OH    210/ 7    8                    /                  
Marblehead, OH       170/ 4    5                    /                  
Camp Perry           220/11   19
Toledo Light #2, OH  190/ 9   10                    /                  
Maumee Bay, OH       220/ 4    7                    /                  
Fairport Harbor        0/       
Old Woman Creek, OH    0/      M                    /                  
Geneva on  Lake, OH     /                           /                  
Erie PA              200/ 6  999       10        210/ 7  999      10
Rondeau ONT          240/ 4  999        M        200/ 5  999       M  
Long Point ONT          /                           /               
London ONT           170/ 4  999       15        220/ 7  999      15
Cobourg, ONT            /                           /               
 
...BUOY & SHIP OBSERVATIONS,  5 AM EST..
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
41.7 82.4 7 SE Southeast Shoal Lt        210/ 8   8   00                
42.5 81.2 40 NNW Ashtabula RB            230/ 8  10   01                
 
...BUOY & SHIP OBSERVATIONS,  3 AM EST..
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
41.7 82.4 7 SE Southeast Shoal Lt           /         00                
42.5 81.2 40 NNW Ashtabula RB               /         00                
 
...BUOY & SHIP OBSERVATIONS,  2 AM EST..
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
41.7 82.4 7 SE Southeast Shoal Lt        200/10  10   01                
42.5 81.2 40 NNW Ashtabula RB            230/12  12   02                
 
     LAKE ONTARIO            5 AM EST                     3 AM EST
STATION               WIND   GUST WAVE  VSBY/WX   WIND   GUST WAVE VSBY/WX
Alexandria Bay NY       /                           /                  
Superior Shoals, NY     /                           /                  
Olcott Harbor, NY    200/ 7   10                    /                  
Rochester, NY        250/11   19                    /                  
Oswego, NY           220/ 7   11                    /                  
Niagara Coast Guard     /                           /                  
Galloo Island, NY       /                           /                  
Thousand I. , NY        /                           /                  
Burlington Pier, ON  230/ 3  999        M        220/ 6  999       M  
Toronto Island, ON   250/ 4  999        9        999/-9  999       9
Cobourg, ON             /                           /               
Trenton, ON             /                           /               
Point Petre, ON         /                           /               
 
...BUOY & SHIP OBSERVATIONS,  5 AM EST..
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
43.6 77.4 35 WSW Main Duck Island        240/12  14   00                
43.8 79.0 32 NW Thirty Mile Pt Lt        240/10  10   01                
43.8 76.9 11 WSW Main Duck Island        270/ 6   8   01                
43.3 79.5 44 W Thirty Mile Pt Lt            /         00                
 
...BUOY & SHIP OBSERVATIONS,  3 AM EST..
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
43.6 77.4 35 WSW Main Duck Island           /         00                
43.8 79.0 32 NW Thirty Mile Pt Lt           /         00                
43.8 76.9 11 WSW Main Duck Island           /         00                
43.3 79.5 44 W Thirty Mile Pt Lt            /         00                
 
...BUOY & SHIP OBSERVATIONS,  2 AM EST..
LAT  LON  LOCATION                        WIND  GUST WAVE  VSBY/WX
43.6 77.4 35 WSW Main Duck Island        310/14  17   00                
43.8 79.0 32 NW Thirty Mile Pt Lt        230/12  14   01                
43.8 76.9 11 WSW Main Duck Island        280/ 8  10   01                
43.3 79.5 44 W Thirty Mile Pt Lt         250/10  12   01                
 
Ice product: ICELIO is not current or is more than 7 days old
Ice product: ICEFBO is not current or is more than 7 days old