Forecast for Lake Superior

533 
FZUS63 KMQT 241930
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
330 PM EDT Tue Apr 24 2018

For waters beyond 5 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...A weak low pressure trough of 30.1 inches over the upper 
Great Lakes will move toward the East Coast overnight as a high 
pressure system of 30.4 inches over the northern Plains builds into 
the region on Wednesday. Thursday, a low pressure trough of 29.9 
inches will move through the Great lakes quickly followed by a 
secondary low of 30.1 inches on Friday. The region will then 
become dominated by a large ridge of 30.4 inches over the 
Mississippi River Valley Saturday and beyond.

LSZ162-250330-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
330 PM EDT Tue Apr 24 2018 /230 PM CDT Tue Apr 24 2018/

.REST OF TODAY...North winds 5 to 15 knots becoming west less
than 10 knots in the afternoon, then becoming northwest 5 to
15 knots late. Waves calm to 2 feet. 
.TONIGHT...North winds 5 to 15 knots. Waves calm to 2 feet. 
.WEDNESDAY...South winds less than 10 knots increasing to 5 to
15 knots in the afternoon. Waves calm to 2 feet. 
.WEDNESDAY NIGHT...South winds 5 to 15 knots veering southwest
after midnight. Waves building to 1 to 3 feet. 
.THURSDAY...Southwest winds 5 to 15 knots veering north by mid
afternoon. A chance of rain showers. Waves subsiding to calm to
2 feet. 
.THURSDAY NIGHT...Northeast winds 5 to 15 knots veering southwest
after midnight. Waves calm to 2 feet. 
.FRIDAY...Southwest winds 5 to 15 knots veering north. Waves calm
to 2 feet. 
.SATURDAY...Southeast winds 5 to 15 knots. Waves calm to 2 feet. 

$$

LSZ263-250330-
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-
330 PM EDT Tue Apr 24 2018

.REST OF TODAY...North winds 5 to 15 knots. Waves calm to 2 feet.
.TONIGHT...North winds 10 to 20 knots diminishing to 5 to
15 knots late. Waves building to 1 to 3 feet. 
.WEDNESDAY...North winds less than 10 knots becoming southwest
5 to 15 knots in the afternoon. Waves subsiding to calm to
2 feet, then building to 1 to 3 feet. 
.WEDNESDAY NIGHT...South winds 5 to 15 knots veering southwest
after midnight. Waves subsiding to calm to 2 feet, then building
to 1 to 3 feet. 
.THURSDAY...Southwest winds 5 to 15 knots becoming north 10 to
20 knots by mid afternoon. A chance of rain showers. A chance of
snow showers by mid afternoon. Waves 1 to 3 feet. 
.THURSDAY NIGHT...Northeast winds 10 to 20 knots becoming north
5 to 15 knots after midnight. Waves subsiding to calm to 2 feet. 
.FRIDAY...Southwest winds 5 to 15 knots veering north. Waves calm
to 2 feet. 
.SATURDAY...North winds 5 to 15 knots veering south. Waves calm
to 2 feet. 

$$

LSZ264-250330-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
330 PM EDT Tue Apr 24 2018

.REST OF TODAY...North winds 10 to 20 knots backing northwest in
the afternoon. Waves calm to 2 feet building to 1 to 3 feet. 
.TONIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots late. Waves building to 3 to 5 feet occasionally to
7 feet, then subsiding to 2 to 4 feet. 
.WEDNESDAY...North winds 5 to 15 knots backing west in the
afternoon, then backing southwest late. Waves subsiding to calm
to 2 feet, then building to 1 to 3 feet. 
.WEDNESDAY NIGHT...South winds 10 to 20 knots veering southwest
after midnight. Waves subsiding to calm to 2 feet, then building
to 1 to 3 feet. 
.THURSDAY...Southwest winds 10 to 20 knots veering north by mid
afternoon. A chance of rain showers. A chance of snow showers by
mid afternoon. Waves building to 2 to 4 feet. 
.THURSDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. Waves subsiding to 1 to 3 feet. 
.FRIDAY...Southeast winds 5 to 15 knots backing north. Waves
subsiding to calm to 2 feet. 
.SATURDAY...North winds 5 to 15 knots veering south. Waves calm
to 2 feet. 

$$

LSZ265-250330-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
330 PM EDT Tue Apr 24 2018

.REST OF TODAY...North winds 5 to 15 knots backing northwest in
the afternoon, then increasing to 10 to 20 knots late. A slight
chance of rain showers by mid afternoon. Waves calm to 2 feet. 
.TONIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots late. Waves building to 3 to 6 feet occasionally to
8 feet. 
.WEDNESDAY...North winds 5 to 15 knots veering south late. Waves
subsiding to calm to 2 feet. 
.WEDNESDAY NIGHT...South winds 5 to 15 knots. Waves calm to
2 feet. 
.THURSDAY...Southwest winds 10 to 20 knots veering north by mid
afternoon. A chance of rain showers by mid afternoon. Waves
building to 3 to 5 feet occasionally to 7 feet. 
.THURSDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. Waves subsiding to 2 to 4 feet. 
.FRIDAY...East winds 5 to 15 knots backing north. Waves subsiding
to calm to 2 feet. 
.SATURDAY...North winds 5 to 15 knots veering south. Waves calm
to 2 feet. 

$$

LSZ266-250330-
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-
330 PM EDT Tue Apr 24 2018

.REST OF TODAY...North winds 5 to 15 knots becoming northwest
10 to 20 knots in the afternoon, then increasing to 15 to
25 knots late. A slight chance of rain showers by mid afternoon.
Waves calm to 2 feet building to 2 to 4 feet. 
.TONIGHT...North winds 15 to 25 knots. Waves building to 3 to
6 feet occasionally to 8 feet. 
.WEDNESDAY...North winds 5 to 15 knots backing west late. Waves
subsiding to calm to 2 feet. 
.WEDNESDAY NIGHT...South winds 5 to 15 knots. Waves building to
1 to 3 feet. 
.THURSDAY...Southwest winds 10 to 20 knots veering north by mid
afternoon. Waves building to 3 to 5 feet occasionally to 7 feet. 
.THURSDAY NIGHT...North winds 20 to 30 knots diminishing to 10 to
20 knots after midnight. Waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.FRIDAY...North winds 10 to 20 knots. Waves subsiding to calm to
2 feet. 
.SATURDAY...North winds 5 to 15 knots backing west. Waves calm to
2 feet. 

$$

LSZ267-250330-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
330 PM EDT Tue Apr 24 2018

.REST OF TODAY...Northwest winds 5 to 15 knots increasing to
10 to 20 knots late. A slight chance of rain showers by mid
afternoon. Waves calm to 2 feet building to 2 to 4 feet. 
.TONIGHT...Northwest winds 15 to 25 knots veering north after
midnight. A slight chance of rain showers through midnight. Waves
building to 3 to 6 feet occasionally to 8 feet. 
.WEDNESDAY...North winds 10 to 20 knots backing northwest late.
Waves subsiding to calm to 2 feet. 
.WEDNESDAY NIGHT...West winds 5 to 15 knots backing south after
midnight. Waves calm to 2 feet. 
.THURSDAY...South winds 10 to 20 knots becoming northwest 5 to
15 knots by mid afternoon. Waves calm to 2 feet. 
.THURSDAY NIGHT...North winds 10 to 20 knots increasing to 15 to
25 knots after midnight. Waves building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.FRIDAY...North winds 10 to 20 knots. Waves subsiding to calm to
2 feet. 
.SATURDAY...Northwest winds 10 to 20 knots diminishing to 5 to
15 knots. Waves calm to 2 feet. 

$$
LSZ261-250330-
MAFOR 2415/
Superior West 11700 11600 11710 13810 12100. Waves 2 feet or
less. 

Superior North Central 12710 11720 12830 11820 12810. Waves 1 to
2 feet this afternoon building to 3 to 5 feet tonight, then subsiding
to 1 to 3 feet Wednesday morning. 

Superior South Central 12710 11720 12830 12820 11810. Waves 1 to
3 feet this afternoon building to 3 to 6 feet tonight, then
subsiding to 2 to 4 feet Wednesday morning. 

Superior East 11810 13720 12830 12820. Waves 1 to 3 feet this
afternoon building to 3 to 6 feet tonight, then subsiding to 2 to
4 feet Wednesday morning. 

$$

Borchardt

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

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

Forecast for Lake Michigan

000
FZUS63 KLOT 241949
GLFLM 

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
249 PM CDT Tue Apr 24 2018

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 29.8 inches is over the southeastern 
United States with weak troughing stretching into the Midwest. A 
cold front will move south across Lake Michigan through tonight. 
30.6 inch high pressure over the northern Great Plains will build 
into the Upper Midwest tonight into Wednesday. The ridge will move
across Lake Michigan Wednesday night at 30.1 inches. A 29.4 inch 
low will move across Hudson Bay Wednesday night and a trailing 
cold front will push across Lake Michigan Thursday night. A weak 
low of 23.7 inches will pass over the lake Friday night.

LMZ261-362-364-366-563-565-567-868-250330-
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-
Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to
Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5 NM offshore to Mid
Lake-
249 PM CDT Tue Apr 24 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...North winds 15 to 25 kt increasing to 30 kt. Isolated 
rain showers this evening. Waves 3 to 5 ft building to 5 to 8 ft 
occasionally to 10 ft. 
.WEDNESDAY...North winds 20 to 25 kt diminishing to 10 to 20 kt. 
Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft 
occasionally to 8 ft. 
.WEDNESDAY NIGHT...Northeast winds 10 to 15 kt backing to
southwest. Waves 2 to 4 ft subsiding to 1 to 2 ft. 
.THURSDAY...Southwest winds 10 to 20 kt becoming south. Waves
1 to 3 ft building to 2 to 4 ft. 
.THURSDAY NIGHT...West winds 10 to 20 kt veering to north 15 to
25 kt. Chance of rain and light freezing rain overnight. Waves
3 to 5 ft. 
.FRIDAY...North winds 15 to 25 kt becoming west 10 to 20 kt.
Waves 3 to 5 ft. 
.FRIDAY NIGHT...Southwest winds 10 to 15 kt becoming northwest 10
to 20 kt. Waves 1 to 3 ft. 
.SATURDAY...North winds 10 to 20 kt. Waves 2 to 4 ft. 
.SUNDAY...Southwest winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft building to 3 to 5 ft.  

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-250330-
Lake Michigan from Michigan City IN to St. Joseph MI 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 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-
249 PM CDT Tue Apr 24 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...North winds 10 to 20 kt increasing to 30 kt. Isolated 
rain showers this evening. Waves 3 to 5 ft building to 7 to 10 ft 
occasionally to 13 ft. 
.WEDNESDAY...North winds to 30 kt diminishing to 15 to 25 kt.
Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.WEDNESDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to
15 kt late in the evening, then becoming northwest to 5 to 10 kt 
after midnight. Waves 4 to 7 ft occasionally to 9 ft subsiding to 
1 to 3 ft. 
.THURSDAY...Southwest winds 5 to 10 kt becoming south 10 to 15 kt.
Waves 1 to 3 ft. 
.THURSDAY NIGHT...South winds 10 to 15 kt veering to northwest
15 to 25 kt overnight. Chance of rain overnight. Waves 1 to 3 ft
building to 3 to 5 ft. 
.FRIDAY...North winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 4 to 6 ft occasionally to 8 ft. 
.FRIDAY NIGHT...Southwest winds 10 to 20 kt becoming west. Waves
2 to 4 ft subsiding to 1 to 3 ft. 
.SATURDAY...North winds 10 to 20 kt. Waves 2 to 4 ft. 
.SUNDAY...East winds 10 to 15 kt becoming southeast 10 to 20 kt.
Waves 1 to 2 ft building to 2 to 4 ft.  

$$

LMZ761-250330-
MAFOR 2421/
MICHIGAN NORTH 11830 14840 13830. Waves 3 to 5 ft building to 5 
to 8 ft occasionally to 10 ft tonight. Waves 5 to 8 ft 
occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft
Wednesday. 

MICHIGAN SOUTH 11820 14840 11840 12830. Waves 3 to 5 ft building 
to 7 to 10 ft occasionally to 13 ft tonight. Waves 6 to 9 ft 
occasionally to 12 ft subsiding to 4 to 7 ft occasionally to 9 ft
Wednesday. 

$$


JEE

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

Graphical marine forecasts are available online at:
weather.gov/greatlakes
Forecast for Lake Huron

000
FZUS63 KDTX 241936
GLFLH 

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
336 PM EDT Tue Apr 24 2018

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...Weak low pressure, 30.00 inches, will gradually exit
the region this evening. High pressure, 30.10 inches, will build
over the waters on Thursday.

LHZ361-250830-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
336 PM EDT Tue Apr 24 2018

.TONIGHT...Light and variable winds becoming northwest 10 to
15 knots in the late evening and overnight. A chance of showers.
Waves 2 feet or less building to 2 to 4 feet after midnight. 
.WEDNESDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and afternoon. A chance of showers
early in the morning. A chance of snow showers early in the
afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet in the
afternoon. 
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots decreasing to
5 to 10 knots after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight. 
.THURSDAY...West winds 5 to 10 knots early in the morning
becoming light and variable. Waves 2 feet or less. 
.THURSDAY NIGHT...Southeast winds 5 to 10 knots veering to the
southwest after midnight. A chance of showers after midnight.
Waves 2 feet or less. 
.FRIDAY...Northwest winds 5 to 10 knots becoming west 10 to
15 knots late in the afternoon...then becoming northwest 5 to
10 knots late in the evening. A chance of showers until late
afternoon. Waves 2 feet or less. 
.SATURDAY...Northwest winds 5 to 10 knots increasing to 10 to
15 knots until early morning. Waves 1 to 3 feet. 
.SUNDAY...Northwest winds 5 to 10 knots backing to the southwest
until early morning. Waves 2 feet or less. 


$$

LHZ362-363-250830-
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-
336 PM EDT Tue Apr 24 2018

.TONIGHT...Light and variable winds becoming west 5 to 10 knots
after midnight...then becoming northwest 10 to 15 knots early in
the morning. Showers likely. Waves 2 feet or less building to
3 to 5 feet after midnight. 
.WEDNESDAY...North winds 15 to 25 knots. A chance of showers 
until late afternoon. Waves 5 to 7 feet. Waves occasionally around
10 feet. 
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 3 to
5 feet. 
.THURSDAY...Northwest winds 5 to 10 knots early in the morning
becoming light and variable. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon. 
.THURSDAY NIGHT...South winds 5 to 10 knots. Waves 2 feet or
less. 
.FRIDAY...South winds 5 to 10 knots veering to the northwest. A
chance of showers early in the morning. Waves 2 feet or less. 
.SATURDAY...West winds 5 to 10 knots becoming northwest 10 to
15 knots. Waves 1 to 3 feet building to 3 to 5 feet until early
morning. 
.SUNDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots until early evening...then backing to the south in the
late evening and early morning. Waves 2 to 4 feet subsiding to
1 to 3 feet until early morning. 


$$

LHZ462>464-250830-
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-
336 PM EDT Tue Apr 24 2018

.TONIGHT...Northeast winds 5 to 10 knots in the evening becoming
light and variable...then becoming north 5 to 10 knots early in
the morning. Showers. Waves 2 feet or less. 
.WEDNESDAY...Northwest winds 10 to 15 knots becoming north 15 to
20 knots with gusts to 25 knots in the late morning and 
afternoon. Showers likely until late afternoon...then a chance of 
showers late in the afternoon. Waves 4 to 6 feet. 
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 4 to
6 feet. Waves occasionally around 8 feet. 
.THURSDAY...Northwest winds 5 to 10 knots early in the morning
becoming light and variable. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon. 
.THURSDAY NIGHT...Light and variable winds becoming south 5 to
10 knots in the late evening and overnight. Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots veering to the west late in
the morning...then veering to the north late in the afternoon. A
chance of showers early in the afternoon. Waves 2 feet or less. 
.SATURDAY...West winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and early afternoon...then becoming north
5 to 10 knots early in the evening becoming northwest 10 to
15 knots in the late evening and early morning. Waves 1 to 3 feet
building to 2 to 4 feet in the late evening and early morning. 
.SUNDAY...Northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then becoming
light and variable early in the evening becoming south 5 to
10 knots in the late evening and early morning. Waves 2 to 4 feet
subsiding to 1 to 3 feet until early morning. 


$$

LHZ461-250830-
MAFOR 2421/
HURON NORTH 11506 11606 12716 11720 11820 11810 11710. A
chance of showers early this evening. A chance of showers
Wednesday. Waves 2 feet or less building to 2 to 4 feet tonight.
Waves 2 to 4 feet Wednesday. 220101. 

HURON SOUTH 11806 12106 11716 11726 12826 11820. A chance of
showers early this evening. Waves 2 feet or less tonight. Waves 3
to 5 feet Wednesday. 220001. 

$$

SF

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)
Forecast for Lake Erie

307 
FZUS61 KCLE 241955
GLFLE 

Open Lake Forecast for Lake Erie
National Weather Service Cleveland OH
355 PM EDT Tue Apr 24 2018

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...
Low pressure 29.70 inches over South Carolina will move off the 
East Coast early Wednesday. A cold front from the Upper Midwest 
will cross Lake Erie early Wednesday. High pressure 29.90 inches 
will build across the lower lakes on Thursday followed by a cold 
front late Friday. High pressure 30.10 inches will build over the 
region from the southwest on Saturday.

LEZ162>165-250230-
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-
Lake Erie open waters from Vermilion to Avon Point OH-
355 PM EDT Tue Apr 24 2018

.TONIGHT...Northeast winds 5 to 10 knots. Patchy fog. Showers
likely through the early overnight, then a chance of showers
late. Waves 2 feet or less. 
.WEDNESDAY...North winds 5 to 15 knots increasing to 15 to
20 knots. Areas of fog early, then patchy fog late in the
morning. A chance of showers in the morning. Waves 1 to 3 feet. 
.WEDNESDAY NIGHT...North winds 15 to 20 knots becoming northwest
5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. 
.THURSDAY...Northwest winds 10 knots or less becoming south.
Waves 1 foot or less. 
.THURSDAY NIGHT...Southeast winds less than 10 knots. Waves
1 foot or less. 
.FRIDAY...Southwest winds 10 knots or less becoming northwest. A
chance of rain showers. Waves 1 foot or less. 
.SATURDAY...West winds 5 to 10 knots becoming north. Waves 1 foot
or less. 
.SUNDAY...Northwest winds 5 to 10 knots becoming south. Waves
1 foot or less. 

$$

LEZ061-166>169-250230-
Lake Erie open waters from Ripley to Buffalo NY-
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-
355 PM EDT Tue Apr 24 2018

.TONIGHT...East winds 5 to 10 knots. Showers likely. Patchy fog
after midnight. Waves 2 feet or less. 
.WEDNESDAY...Northeast winds 5 to 15 knots becoming northwest
15 to 20 knots. Showers likely early, then a chance of showers.
Patchy fog. Waves 1 to 3 feet. 
.WEDNESDAY NIGHT...Northwest winds 15 to 20 knots diminishing to
5 to 10 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet. 
.THURSDAY...Northwest winds 5 to 10 knots becoming west. Waves
2 feet or less. 
.THURSDAY NIGHT...Southwest winds 5 to 10 knots becoming light
and variable. Waves 2 feet or less. 
.FRIDAY...South winds 10 knots or less becoming west. A chance of
rain showers Friday night. Waves 1 foot or less. 
.SATURDAY...West winds 5 to 10 knots becoming northwest. A chance
of rain showers during the day. Waves 1 to 3 feet. 
.SUNDAY...Northwest winds 5 to 10 knots becoming southwest. Waves
1 to 3 feet. 

$$

LEZ161-250230-
MAFOR 2421/
ERIE WEST 1/3 13106 11100 11103 11800 12810. Chance of showers
overnight and Wednesday morning. Waves 2 feet or less tonight.
Waves 1 to 3 feet Wednesday. 

ERIE CENTRAL 1/3 14206 11106 11800 12710. Chance of showers
Wednesday morning. Waves 2 feet or less tonight. Waves 1 to 3
feet Wednesday. 

ERIE EAST 1/3 11200 12206 11200 11206 11100 11700 11603. Chance
of showers early this evening and Wednesday morning. Waves 1 foot
or less. 

$$

Forecast for Lake Ontario

000
FZUS61 KBUF 242339
GLFLO 

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
739 PM EDT Tue Apr 24 2018

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 broad area of low pressure averaging 29.7 inches will move from 
the Carolinas to the Mid Atlantic coast by Wednesday. A cold front
will then move across the Lower Great Lakes Wednesday night, then
a 30.0 inch high will build into the Ohio Valley Thursday and 
Friday.

LOZ062-250300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
739 PM EDT Tue Apr 24 2018

.TONIGHT...South winds 10 knots or less becoming east. Occasional
rain. Patchy fog after midnight. Waves 1 foot or less. 
.WEDNESDAY...East winds 10 knots or less becoming north. Patchy
fog in the morning, otherwise occasional rain. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northwest winds 15 to 20 knots diminishing to
10 to 15 knots. Showers likely. Waves 1 to 3 feet. 
.THURSDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of showers in the morning. Waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.THURSDAY NIGHT...Southwest winds 5 to 15 knots diminishing to
less than 10 knots. Waves 1 to 3 feet subsiding to 1 foot or
less. 
.FRIDAY...Southeast winds 10 knots or less becoming west 10 to
15 knots. A chance of rain showers Friday night. Waves 2 feet or
less. 
.SATURDAY...West winds 10 to 15 knots becoming northwest. A
chance of rain showers. Waves 1 to 3 feet. 
.SUNDAY...Northwest winds 10 to 15 knots becoming west. Waves
1 to 3 feet. 

$$

LOZ063>065-250300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
739 PM EDT Tue Apr 24 2018

.TONIGHT...West winds 10 knots or less becoming southeast. A
chance of rain early, then occasional rain from late evening on.
Patchy fog after midnight. Waves 1 foot or less. 
.WEDNESDAY...Southeast winds 10 knots or less becoming northeast.
Patchy fog in the morning, otherwise occasional rain. Waves 1 
foot or less.
.WEDNESDAY NIGHT...Northwest winds 5 to 15 knots increasing to
15 to 20 knots. Showers. Waves 1 foot or less building to 2 to
4 feet. 
.THURSDAY...West winds 15 to 20 knots. Showers likely in the
morning, then a chance of showers in the afternoon. Waves 2 to
4 feet building to 3 to 5 feet. 
.THURSDAY NIGHT...West winds 5 to 15 knots becoming southwest.
Waves 2 to 4 feet subsiding to 1 to 3 feet. 
.FRIDAY...South winds 10 knots or less becoming southwest 10 to
15 knots. A chance of rain showers. Waves 2 feet or less. 
.SATURDAY...West winds 10 to 15 knots becoming northwest. A
chance of rain showers. Waves 1 to 3 feet building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.SUNDAY...Northwest winds 10 to 15 knots becoming west. A chance
of rain or snow showers. Waves 1 to 3 feet building to 2 to
4 feet. 

$$

LOZ061-250300-
MAFOR 2500 AMD/
ONTARIO WEST 1/2 11406 12306 13206 11106. Waves 2 feet or less. 

ONTARIO EAST 1/2 11600 11400 13306 11206 11106. A chance of rain 
early. Waves 1 foot or less. 

$$

Apffel/JJR/RSH/SW