Forecast for Lake Superior

000
FZUS63 KMQT 161353
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
953 AM EDT Wed Aug 16 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...High pressure of 30.2 inches over the Upper Great 
Lakes will reach the Lower Great Lakes late this afternoon. Low 
pressure of 29.6 inches over the Central Plains will track across
the Upper Great Lakes on Thursday 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.

LSZ162-162200-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
953 AM EDT Wed Aug 16 2017 /853 AM CDT Wed Aug 16 2017/

.REST OF TODAY...East winds 10 to 20 knots increasing to 15 to
25 knots late. A chance of showers. Waves 1 to 3 feet building to
3 to 5 feet occasionally to 7 feet. 
.TONIGHT...East winds 10 to 20 knots backing northeast late. A
chance of showers through midnight, then showers and a slight
chance of thunderstorms after midnight. Waves 3 to 5 feet
occasionally to 7 feet. 
.THURSDAY...Northeast winds 15 to 25 knots. Showers. Waves
building to 3 to 6 feet occasionally to 8 feet. 
.THURSDAY NIGHT...North winds 15 to 25 knots becoming northwest
10 to 20 knots after midnight. A chance of showers. Waves
subsiding to 2 to 4 feet. 
.FRIDAY...Northwest winds 10 to 20 knots becoming west 5 to
15 knots by mid afternoon. Waves subsiding to calm to 2 feet. 
.FRIDAY NIGHT...West winds 5 to 15 knots. Waves calm to 2 feet. 
.SATURDAY...Southwest winds 5 to 15 knots. Waves calm to 2 feet. 
.SUNDAY...Southwest winds 10 to 20 knots becoming west 5 to
15 knots. A chance of showers. Waves calm to 2 feet. 

$$

LSZ263-162200-
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-
953 AM EDT Wed Aug 16 2017

.REST OF TODAY...East winds 5 to 15 knots. A slight chance of
showers by mid afternoon. Waves calm to 2 feet building to 1 to
3 feet. 
.TONIGHT...East winds 10 to 20 knots. A chance of showers through
midnight, then showers after midnight. Waves building to 2 to
4 feet. 
.THURSDAY...East winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon, then backing northeast late. Showers.
Waves building to 3 to 6 feet occasionally to 8 feet. 
.THURSDAY NIGHT...Northeast winds 15 to 25 knots becoming north
10 to 20 knots after midnight. Showers likely through midnight,
then a chance of showers after midnight. Waves building to 5 to
8 feet occasionally to 10 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.FRIDAY...Northwest winds 10 to 20 knots backing west by mid
afternoon. A slight chance of showers through early afternoon.
Waves subsiding to calm to 2 feet. 
.FRIDAY NIGHT...West winds 5 to 15 knots. Waves calm to 2 feet. 
.SATURDAY...West winds 5 to 15 knots backing southwest. Waves
calm to 2 feet. 
.SUNDAY...Southwest winds 5 to 15 knots veering west. A chance of
showers. Waves calm to 2 feet. 

$$

LSZ264-162200-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
953 AM EDT Wed Aug 16 2017

.REST OF TODAY...Southeast winds 5 to 15 knots backing east late.
A slight chance of showers by mid afternoon. Waves calm to 2 feet
building to 1 to 3 feet. 
.TONIGHT...East winds 5 to 15 knots increasing to 10 to 20 knots
after midnight. A chance of showers. Waves building to 2 to
4 feet. 
.THURSDAY...East winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. Showers. Waves building to 4 to 7 feet
occasionally to 9 feet. 
.THURSDAY NIGHT...Northeast winds 15 to 25 knots becoming north
10 to 20 knots after midnight. Showers likely through midnight,
then a chance of showers after midnight. Waves building to 5 to
8 feet occasionally to 10 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.FRIDAY...North winds 15 to 25 knots becoming northwest 10 to
20 knots by mid afternoon. A chance of showers. Waves subsiding
to 2 to 4 feet. 
.FRIDAY NIGHT...Northwest winds 5 to 15 knots backing west after
midnight. Waves subsiding to calm to 2 feet. 
.SATURDAY...West winds 5 to 15 knots backing southwest. Waves
calm to 2 feet. 
.SUNDAY...Southwest winds 10 to 20 knots becoming west 5 to
15 knots. Waves building to 1 to 3 feet. 

$$

LSZ265-162200-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
953 AM EDT Wed Aug 16 2017

.REST OF TODAY...Southeast winds 10 to 20 knots backing east in
the afternoon. Waves calm to 2 feet building to 1 to 3 feet. 
.TONIGHT...East winds 10 to 20 knots veering southeast after
midnight, then becoming east 15 to 25 knots late. A chance of
showers. Waves building to 2 to 4 feet. 
.THURSDAY...East winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon, then diminishing to 15 to 25 knots
late. Showers. A slight chance of thunderstorms by mid afternoon.
Waves building to 4 to 7 feet occasionally to 9 feet. 
.THURSDAY NIGHT...East winds 10 to 20 knots backing north after
midnight. Showers likely. Waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.FRIDAY...Northwest winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. A chance of showers through early
afternoon. Waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 5 feet occasionally to 7 feet. 
.FRIDAY NIGHT...Northwest winds 10 to 20 knots backing west after
midnight. Waves subsiding to calm to 2 feet. 
.SATURDAY...West winds 5 to 15 knots backing southwest. Waves
calm to 2 feet. 
.SUNDAY...Southwest winds 10 to 20 knots. Waves calm to 2 feet. 

$$

LSZ266-162200-
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-
953 AM EDT Wed Aug 16 2017

.REST OF TODAY...Southeast winds 5 to 15 knots backing east in
the afternoon, then increasing to 10 to 20 knots late. Waves calm
to 2 feet. 
.TONIGHT...East winds 10 to 20 knots veering southeast after
midnight, then increasing to 15 to 25 knots late. A chance of
showers. Waves building to 2 to 4 feet. 
.THURSDAY...East winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. Showers. A slight chance of
thunderstorms by mid afternoon. Waves building to 5 to 8 feet
occasionally to 10 feet. 
.THURSDAY NIGHT...East winds 20 to 30 knots becoming northeast
10 to 20 knots after midnight. A slight chance of thunderstorms
through midnight. Showers likely. Waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.FRIDAY...North winds 20 to 30 knots backing northwest by mid
afternoon. A chance of showers. Waves building to 4 to 7 feet
occasionally to 9 feet. 
.FRIDAY NIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. Waves subsiding to calm to 2 feet.
.SATURDAY...West winds 5 to 15 knots backing southwest. Waves
calm to 2 feet. 
.SUNDAY...Southwest winds 10 to 20 knots. Waves building to 1 to
3 feet. 

$$

LSZ267-162200-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
953 AM EDT Wed Aug 16 2017

.REST OF TODAY...Southeast winds 10 to 20 knots becoming east
5 to 15 knots in the afternoon. Waves calm to 2 feet. 
.TONIGHT...East winds 10 to 20 knots becoming southeast 15 to
25 knots after midnight. A slight chance of showers after
midnight. Waves building to 2 to 4 feet. 
.THURSDAY...Southeast winds 20 to 30 knots. A chance of showers 
through early afternoon, then showers by mid afternoon. Waves 
building to 4 to 7 feet occasionally to 9 feet. 
.THURSDAY NIGHT...East winds 20 to 30 knots diminishing to 10 to
20 knots after midnight. A slight chance of thunderstorms through
midnight. Showers. Waves subsiding to 2 to 4 feet. 
.FRIDAY...Northwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. Showers likely through early
afternoon, then a chance of showers by mid afternoon. Waves
building to 4 to 7 feet occasionally to 9 feet. 
.FRIDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. Waves subsiding to calm to 2 feet.
.SATURDAY...West winds 10 to 20 knots becoming southwest 5 to
15 knots. Waves calm to 2 feet. 
.SUNDAY...Southwest winds 5 to 15 knots increasing to 10 to
20 knots. Waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 

$$
LSZ261-162200-
MAFOR 1615/
Superior West 11210 12220 11230 11236 12226 11136. Chance of
showers this evening. Waves 2 to 5 feet. 

Superior North Central 12310 12210 11220 11320 11230 11226.
Chance of showers late tonight through mid morning Thursday. 
Waves 1 to 5 feet. 

Superior South Central 11310 11210 12220 11310 12320 11236. Waves
calm to 4 feet. 

Superior East 13200 11210 13320 11330. Chance of showers Thursday
morning. Waves 1 to 5 feet. 

$$

Petro

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

303 
FZUS63 KLOT 161337
GLFLM 

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
837 AM CDT Wed Aug 16 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...High pressure of 30.1 inches centered over the
northern Great Lakes region will move to the eastern seaboard by 
tonight. Meanwhile, low pressure of 29.7 inches over Nebraska 
this morning will move to near or over northern Lake Michigan by 
Thursday evening, deepening to 29.5 inches. The trailing cold 
front will cross the lake Thursday afternoon through Thursday 
evening and the low will continue into southern Ontario on Friday.
Weak high pressure of 29.9 inches will then spread over the lake 
on the weekend.

LMZ261-362-364-366-563-565-162200-
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-
837 AM CDT Wed Aug 16 2017

TWO RIVERS WI TO MANISTEE MI NORTH...

.REST OF TODAY...East winds 10 to 15 kt becoming northeast 10 to
20 kt. Waves 1 to 3 ft. 
.TONIGHT...East winds 10 to 20 kt becoming southeast 20 to 25 kt.
Chance of showers and slight chance of thunderstorms overnight. 
Waves 2 to 4 ft building to 3 to 5 ft. 
.THURSDAY...Southeast winds to 30 kt becoming south 15 to 25 kt.
Showers with a chance of thunderstorms in the morning... then
showers likely with a chance of thunderstorms in the afternoon.
Waves 4 to 6 ft occasionally to 8 ft. 
.THURSDAY NIGHT...South winds 10 to 20 kt becoming west 20 to 25 
kt. Chance of showers and thunderstorms in the evening... then 
chance of showers overnight. Waves 4 to 6 ft occasionally to 8 ft.
.FRIDAY...West winds to 30 kt becoming northwest and diminishing
to 15 to 25 kt. Chance of showers in the morning. Waves 4 to 6 ft
occasionally to 8 ft. 
.FRIDAY NIGHT...Northwest winds 10 to 20 kt becoming west. Waves
3 to 5 ft subsiding to 1 to 3 ft. 
.SATURDAY...West winds 10 to 15 kt becoming southwest. Waves 1 to
3 ft. 
.SUNDAY...Southwest winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft.  

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-162200-
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-
837 AM CDT Wed Aug 16 2017

TWO RIVERS WI TO MANISTEE MI SOUTH...

.REST OF TODAY...East winds 10 to 15 kt. Waves 1 to 3 ft. 
.TONIGHT...East winds 10 to 20 kt becoming southeast and
increasing to 15 to 25 kt. Chance of showers and thunderstorms in
the evening...then showers likely with a chance of thunderstorms 
overnight. Waves 2 to 4 ft building to 3 to 5 ft. 
.THURSDAY...South winds 20 to 25 kt becoming southwest 10 to 20 
kt. Showers and thunderstorms likely in the morning...then showers
likely with a chance of thunderstorms in the afternoon. Waves 4 
to 6 ft occasionally to 8 ft. 
.THURSDAY NIGHT...Southwest winds 10 to 20 kt becoming west to
30 kt. Waves 3 to 5 ft building to 4 to 7 ft occasionally to
9 ft. 
.FRIDAY...West winds to 30 kt diminishing to 10 to 20 kt in the
afternoon. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft.
.FRIDAY NIGHT...Northwest winds 10 to 20 kt. Waves 2 to 4 ft
subsiding to 1 to 3 ft. 
.SATURDAY...West winds 10 to 15 kt becoming south. Chance of 
showers and thunderstorms. Waves 1 to 2 ft. 
.SUNDAY...Southwest winds 10 to 15 kt becoming south 10 to 20 kt.
Waves 1 to 3 ft.  

$$
LMZ761-162200-
MAFOR 1615/
MICHIGAN NORTH 11210 11110 11120 12220 12330 11346. Chance of
showers tonight. Chance of thunderstorms Thursday morning. Waves 
1 to 3 feet today. Waves 2 to 4 feet building to 3 to 5 feet 
tonight. Waves 4 to 6 feet occasionally to 8 feet Thursday 
morning. 


MICHIGAN SOUTH 13210 11220 11320 12336 11439. Chance of showers 
and thunderstorms this evening. Chance of thunderstorms overnight. 
Waves 1 to 3 feet today. Waves 2 to 4 feet building to 3 to 5 
feet tonight. Waves 4 to 6 feet occasionally to 8 feet Thursday 
morning. 

$$

BMD

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 161401
GLFLH 

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
1000 AM EDT Wed Aug 16 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...High pressure, 30.10 inches, will move from Lake 
Superior this morning to southern Ontario and upstate New York by 
evening. Low pressure over the central US will deepen to 29.60 
inches as it lifts into southern Minnesota tonight. This low will 
then move to Upper Michigan by Thursday night, deepening to 29.50 
inches. The low will force a warm front across Lower Michigan on 
Thursday, then into Lake Huron Thursday night. The low will slowly 
exit to the northeast of Lake Huron on Friday, with high pressure 
expected to expand across the southern Great Lakes on Saturday.

LHZ361-162000-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
1000 AM EDT Wed Aug 16 2017

.REST OF TODAY...East winds 5 to 10 knots. Waves 1 to 3 feet. 
.TONIGHT...Southeast winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. Waves 1 to 3 feet. 
.THURSDAY...Southeast winds 10 to 15 knots becoming east 20 to
25 knots with gusts to 30 knots. A chance of showers and
thunderstorms in the morning. Rain showers and thunderstorms
likely in the afternoon. Waves 2 to 4 feet building to 5 to
7 feet early in the afternoon. Waves occasionally around 10 feet.
.THURSDAY NIGHT...East winds 20 to 25 knots with gusts to
30 knots becoming southeast 10 to 15 knots. Showers and
thunderstorms. Waves 6 to 9 feet. Waves occasionally around
12 feet. 
.FRIDAY...Southeast winds 5 to 10 knots becoming southwest 10 to
15 knots late in the morning...then becoming west 15 to 20 knots
with gusts to 30 knots late in the afternoon. Showers and
thunderstorms likely early in the morning...then a chance of
showers and thunderstorms early in the morning. Waves 4 to
6 feet. Waves occasionally around 8 feet. 
.SATURDAY...West winds 15 to 20 knots decreasing to 5 to
10 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet until early
morning. 
.SUNDAY...Southwest winds 5 to 10 knots. Waves 2 feet or less. 


$$

LHZ362-363-162000-
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-
1000 AM EDT Wed Aug 16 2017

.REST OF TODAY...East winds 5 to 10 knots. Waves 1 to 3 feet. 
.TONIGHT...Northeast winds 5 to 10 knots becoming east 10 to
15 knots after midnight. Waves 1 to 3 feet. 
.THURSDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. A chance of showers
and thunderstorms in the morning. Rain showers and thunderstorms
likely in the afternoon. Waves 2 to 4 feet building to 4 to
6 feet early in the afternoon. Waves occasionally around 8 feet. 
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Showers and
thunderstorms likely until early morning...then a chance of
showers and thunderstorms early in the morning. Waves 5 to
7 feet. Waves occasionally around 10 feet. 
.FRIDAY...South winds 10 to 15 knots becoming west 15 to 20 knots
late in the afternoon. A chance of showers and thunderstorms.
Waves 4 to 6 feet. 
.SATURDAY...West winds 15 to 20 knots decreasing to 5 to
10 knots. Waves 4 to 6 feet subsiding to 1 to 3 feet in the late
evening and early morning. Waves occasionally around 8 feet. 
.SUNDAY...Southwest winds 5 to 10 knots backing to the south
early in the evening...then increasing to 10 to 15 knots in the
late evening and early morning. Waves 2 feet or less. 


$$

LHZ462>464-162000-
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-
1000 AM EDT Wed Aug 16 2017

.REST OF TODAY...Northeast winds 5 to 10 knots. Waves 1 to
3 feet. 
.TONIGHT...Northeast winds 5 to 10 knots veering to the east
after midnight...then becoming southeast 10 to 15 knots early in
the morning. Waves 2 feet or less. 
.THURSDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. A chance of showers
and thunderstorms in the morning. Rain showers and thunderstorms
likely in the afternoon. Waves 2 to 4 feet. 
.THURSDAY NIGHT...Southeast winds 15 to 20 knots becoming south
10 to 15 knots after midnight. Showers and thunderstorms likely
until early morning...then a chance of showers and thunderstorms
early in the morning. Waves 4 to 6 feet. Waves occasionally
around 8 feet. 
.FRIDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots late in the afternoon...then decreasing to 10 to
15 knots late in the evening. A chance of showers and
thunderstorms until late afternoon. Waves 3 to 5 feet. 
.SATURDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots
until early morning. A chance of showers and thunderstorms in the
afternoon and evening. Waves 2 to 4 feet subsiding to 2 feet or
less until early morning. 
.SUNDAY...West winds 5 to 10 knots until afternoon becoming light
and variable...then becoming south 5 to 10 knots in the late
evening and early morning. Waves 2 feet or less. 


$$

LHZ461-162000-
MAFOR 1615/
HURON NORTH 11200 14300 11300 12310. Waves 1 to 3 feet. 220102.

HURON SOUTH 12200 11100 12200 11300 12310. Waves 1 to 3 feet.
220102. 

$$

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)
Forecast for Lake Erie

000
FZUS61 KCLE 161327
GLFLE 

Open Lake Forecast for Lake Erie
National Weather Service Cleveland OH
927 AM EDT Wed Aug 16 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...High pressure 30.10 inches over the northern Great
Lakes will slide across eastern Canada through mid week. A warm 
front will lift north across Lake Erie on Thursday in advance of 
low pressure, 29.70 inches, that will cross the northern Great 
Lakes. The associated cold front will move east across the lake 
early Friday. A weak trough of low pressure 30.00 inches will
cross the lake Saturday. High pressure 30.10 inches will spread 
across the Great Lakes by Sunday.

LEZ162>165-162015-
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-
927 AM EDT Wed Aug 16 2017

.THIS AFTERNOON...East winds 5 to 10 knots. Waves 1 to 2 feet. 
.TONIGHT...East winds 10 to 15 knots becoming southeast. Waves
2 feet or less. 
.THURSDAY...Southeast winds around 10 knots becoming south.
Showers and thunderstorms likely. Waves 2 feet or less. 
.THURSDAY NIGHT...South winds 10 to 15 knots becoming southwest.
Showers and thunderstorms likely. Waves 1 to 3 feet. 
.FRIDAY...West winds 10 to 15 knots becoming northwest. Waves
1 to 3 feet. 
.SATURDAY...West winds 10 knots or less becoming southwest. A
chance of showers and thunderstorms during the day. Waves 2 feet
or less. 
.SUNDAY...West winds less than 10 knots becoming south. Waves
1 foot or less. 

Winds and waves higher in and near thunderstorms.

$$

LEZ061-166>169-162015-
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-
927 AM EDT Wed Aug 16 2017

.THIS AFTERNOON...Northeast winds 5 to 10 knots. Waves 1 to 2 
feet.
.TONIGHT...East winds 5 to 15 knots becoming southeast. Waves
2 feet or less. 
.THURSDAY...Southeast winds 5 to 10 knots. A chance of showers
and thunderstorms. Waves 2 feet or less. 
.THURSDAY NIGHT...South winds 5 to 15 knots becoming southwest.
Showers and thunderstorms likely. Waves 1 to 3 feet. 
.FRIDAY...Southwest winds 15 to 20 knots becoming northwest 10 to
15 knots. Waves 2 to 4 feet. 
.SATURDAY...West winds 5 to 10 knots becoming southwest. A chance
of showers and thunderstorms. Waves 2 feet or less. 
.SUNDAY...Southwest winds 10 knots or less becoming south. Waves
1 foot or less. 

Winds and waves higher in and near thunderstorms.

$$

LEZ161-162015-
MAFOR 1615/
ERIE WEST 1/3 12200 13210 13300. A chance of showers and
thunderstorms Thursday morning. Waves 2 feet or less. 

ERIE CENTRAL 1/3 12100 11110 12210 13300. A chance of showers and
thunderstorms Thursday morning. Waves 2 feet or less. 

ERIE EAST 1/3 11100 11800 11100 11200 14300. Waves 1 foot or
less. 

$$
Forecast for Lake Ontario

000
FZUS61 KBUF 161412
GLFLO 

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1012 AM EDT Wed Aug 16 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 30.0 inch high will build across the Lower Great 
Lakes through this evening. A 29.6 inch low will move near 
Wisconsin late tonight with its associated warm front moving 
toward Lake Ontario on Thursday. This low will track north along 
the Quebec and Ontario border Friday, then a weak 29.9 inch high 
will ridge across the Appalachian mountains Saturday.

LOZ062-162115-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1012 AM EDT Wed Aug 16 2017

.THIS AFTERNOON...East winds 5 to 10 knots. Waves 1 to 3 feet. 
.TONIGHT...Southeast winds 10 knots or less. Waves 1 foot or
less. 
.THURSDAY...Southeast winds 10 to 15 knots becoming east. A 
chance of showers in the afternoon. Waves 2 feet or less. 
.THURSDAY NIGHT...East winds 15 to 20 knots becoming southeast.
Occasional showers with a chance of thunderstorms. Waves 1 to
3 feet. 
.FRIDAY...Southwest winds 10 to 15 knots. Occasional showers with
a chance of thunderstorms. Waves 1 to 3 feet. 
.SATURDAY...West winds 10 to 15 knots. Waves 2 to 4 feet 
subsiding to 1 to 2 feet. 
.SUNDAY...West winds 10 knots or less. Waves 1 foot or less. 

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-162115-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1012 AM EDT Wed Aug 16 2017

.THIS AFTERNOON...Northeast winds 10 to 15 knots becoming north.
Waves 1 to 3 feet. 
.TONIGHT...West winds 10 knots or less becoming south. Waves
1 foot or less. 
.THURSDAY...South winds 10 to 15 knots becoming east. Waves 1 
foot or less. 
.THURSDAY NIGHT...East winds 10 to 15 knots becoming southeast
15 to 20 knots. A chance of showers and thunderstorms in the
evening...then occasional showers with a chance of thunderstorms
overnight. Waves 1 to 3 feet. 
.FRIDAY...Southeast winds 15 to 20 knots becoming southwest.
Occasional showers with a chance of thunderstorms. Waves 2 to 4 
feet. 
.SATURDAY...Southwest winds 10 to 15 knots. A chance of showers. 
Waves 1 to 3 feet. 
.SUNDAY...West winds 5 to 10 knots. Waves 1 to 2 feet. 

Winds and waves higher in and near thunderstorms.

$$

LOZ061-162115-
MAFOR 1615/
ONTARIO WEST 1/2 12200 15300. Waves 1 to 3 feet this afternoon.
Waves 1 foot or less tonight and Thursday morning. 

ONTARIO EAST 1/2 11100 11800 11700 12500 13400. Waves 1 to 3 feet
this afternoon. Waves 1 foot or less tonight and Thursday
morning. 

$$