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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon sep 7 2026

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 30.2 inch high will settle over the lower great lakes 
today this high will then drift to the eastern seaboard tuesday, 
then east of the mid atlantic coast by wednesday. meanwhile, a 29.3 
inch low over far northwest ontario province tuesday night will move 
to hudson bay by late wednesday, then to northern quebec by thursday 
while deepening to 29.0 inches. a trailing cold front will cross the 
lower great lakes wednesday night. a 30.0 inch high will build 
across the eastern great lakes region thursday through friday.


loz062-071500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt mon sep 7 2026

.today...southwest winds 10 knots or less becoming west. waves
1 foot or less. 
.tonight...southwest winds 10 knots or less becoming west. waves
1 foot or less. 
.tuesday...west winds less than 10 knots. waves 1 foot or less. 
.tuesday night...east winds 5 to 10 knots becoming south. waves
1 foot or less. 
.wednesday...southwest winds 15 to 25 knots becoming west.
showers likely. waves 1 to 3 feet building to 4 to 7 feet, then
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.thursday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.friday...northwest winds 5 to 10 knots becoming south. waves
1 to 3 feet. 

$$

fzus61 kbuf 070802
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon sep 7 2026

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 30.2 inch high will settle over the lower great lakes 
today this high will then drift to the eastern seaboard tuesday, 
then east of the mid atlantic coast by wednesday. meanwhile, a 29.3 
inch low over far northwest ontario province tuesday night will move 
to hudson bay by late wednesday, then to northern quebec by thursday 
while deepening to 29.0 inches. a trailing cold front will cross the 
lower great lakes wednesday night. a 30.0 inch high will build 
across the eastern great lakes region thursday through friday.


loz063>065-071500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt mon sep 7 2026

.today...northwest winds 5 to 15 knots becoming west. waves
2 feet or less. 
.tonight...west winds 5 to 15 knots. waves 2 feet or less. 
.tuesday...west winds 10 knots or less becoming north. waves
1 foot or less. 
.tuesday night...east winds 5 to 15 knots becoming south. waves
2 feet or less. 
.wednesday...south winds 15 to 25 knots becoming southwest.
showers. waves 1 to 3 feet building to 4 to 7 feet, then
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.thursday...west winds 15 to 20 knots becoming northwest. a
chance of showers during the day. waves 4 to 7 feet subsiding to
3 to 5 feet. waves occasionally around 9 feet. 
.friday...northwest winds 5 to 15 knots becoming south. waves
2 to 4 feet subsiding to 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
347 am edt mon sep 7 2026

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 builds to 30.20 inches today and tonight, gradually
weakening to 30.00 inches wednesday ahead of a cold front that
will track across lake erie late wednesday into wednesday night. a
post frontal trough lingers at 29.90 inches thursday. high
pressure builds back to 30.10 inches friday.


lez162-163-071430-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
347 am edt mon sep 7 2026

.today...east winds 10 to 15 knots. a slight chance of
waterspouts through early afternoon. waves 1 to 2 feet. 
.tonight...east winds 5 to 15 knots becoming southeast. waves
1 to 3 feet. 
.tuesday...southeast winds 5 to 10 knots. waves 1 foot or less. 
.tuesday night...southeast winds 10 to 15 knots becoming
southwest 15 to 20 knots. waves 1 to 3 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers. waves 1 to 3 feet. 
.thursday...northwest winds 5 to 10 knots becoming north. waves
2 feet or less. 
.friday...northwest winds 10 knots or less becoming south. waves
1 foot or less. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
347 am edt mon sep 7 2026

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 builds to 30.20 inches today and tonight, gradually
weakening to 30.00 inches wednesday ahead of a cold front that
will track across lake erie late wednesday into wednesday night. a
post frontal trough lingers at 29.90 inches thursday. high
pressure builds back to 30.10 inches friday.


lez164>167-071430-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
347 am edt mon sep 7 2026

.today...east winds 5 to 15 knots becoming northeast. a slight
chance of waterspouts through early afternoon. waves 1 to 2 feet.
.tonight...northeast winds 5 to 15 knots becoming southeast.
waves 1 to 3 feet. 
.tuesday...southeast winds 10 knots or less becoming east. waves
1 foot or less. 
.tuesday night...southeast winds 5 to 15 knots becoming south
15 to 20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west. a
chance of showers during the day, then showers likely with a
chance of thunderstorms wednesday night. waves 3 to 6 feet. 
.thursday...west winds 5 to 15 knots becoming north. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.friday...north winds 10 knots or less becoming south. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
347 am edt mon sep 7 2026

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 builds to 30.20 inches today and tonight, gradually
weakening to 30.00 inches wednesday ahead of a cold front that
will track across lake erie late wednesday into wednesday night. a
post frontal trough lingers at 29.90 inches thursday. high
pressure builds back to 30.10 inches friday.


lez061-168-169-071430-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
347 am edt mon sep 7 2026

.today...east winds 5 to 10 knots becoming northeast. a slight
chance of waterspouts. waves 2 feet or less. 
.tonight...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.tuesday...southeast winds less than 10 knots becoming northeast.
waves 1 foot or less. 
.tuesday night...east winds 5 to 15 knots becoming south. waves
1 to 3 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west. a
chance of showers during the day, then showers with a chance of
thunderstorms wednesday night. waves 3 to 6 feet. 
.thursday...west winds 5 to 15 knots becoming north. a chance of
showers during the day. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.friday...northwest winds 10 knots or less becoming south. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

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lake st clair forecast
national weather service detroit/pontiac mi
338 am edt mon sep 7 2026

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...favorable marine conditions continue through most of
tuesday due to surface high pressure moving from the central to
eastern great lakes. a low pressure system then approaches
tuesday afternoon into wednesday with associated fronts leading
to rising heat/humidity and thunderstorm chances. cooler and
drier weather is expected thursday into friday.


lcz460-071545-
lake st clair-
338 am edt mon sep 7 2026

.today...east winds 5 to 10 knots until late afternoon becoming
light and variable. mostly sunny. waves 2 feet or less.
.tonight...southeast winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
.tuesday...southeast winds 5 to 10 knots increasing to 10 to 15
knots early in the afternoon. partly sunny. waves 2 feet or less.
.tuesday night...south winds 10 to 15 knots. partly cloudy. waves 2
feet or less.
.wednesday...southwest winds 10 to 15 knots increasing to 15 to 20
knots in the afternoon...then becoming west 10 to 15 knots in the
evening. partly sunny in the morning becoming mostly cloudy. a
chance of light showers in the morning...then light showers likely
in the afternoon and evening. waves 1 to 3 feet.
.thursday...northwest winds 10 to 15 knots. mostly clear. waves 2
feet or less.
.friday...south winds 10 to 15 knots. mostly clear. waves 2 feet or
less.

$$

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open lake forecast for lake huron
national weather service detroit/pontiac mi
337 am edt mon sep 7 2026

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...favorable marine conditions continue through most of
tuesday due to surface high pressure moving from the central to
eastern great lakes. a low pressure system then approaches
tuesday afternoon into wednesday with associated fronts leading
to rising heat/humidity and thunderstorm chances. cooler and
drier weather is expected thursday into friday.


lhz462>464-071545-
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-
337 am edt mon sep 7 2026

.today...light and variable winds. waves 2 feet or less. 
.tonight...light and variable winds becoming east 5 to 10 knots
after midnight...then veering to the southeast early in the
morning. waves 2 feet or less. 
.tuesday...southeast winds 5 to 10 knots. waves 2 feet or less. 
.tuesday night...southeast winds 10 to 15 knots becoming south
15 to 20 knots by midnight...then decreasing to 10 to 15 knots
after midnight. showers likely after midnight. waves 1 to 3 feet
building to 2 to 4 feet in the late evening and overnight. 
.wednesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots late in the morning...then becoming west 10 to 15 knots
late in the evening. showers...then a chance of showers late in
the afternoon. waves 3 to 5 feet. 
.thursday...northwest winds 10 to 15 knots becoming north 5 to
10 knots . waves 1 to 3 feet building to 2 to 4 feet by midnight.
.friday...west winds 5 to 10 knots backing to the southwest early
in the evening...then becoming south 10 to 15 knots by midnight.
waves 1 to 3 feet. 


$$

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glflh 
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open lake forecast for lake huron
national weather service detroit/pontiac mi
337 am edt mon sep 7 2026

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...favorable marine conditions continue through most of
tuesday due to surface high pressure moving from the central to
eastern great lakes. a low pressure system then approaches
tuesday afternoon into wednesday with associated fronts leading
to rising heat/humidity and thunderstorm chances. cooler and
drier weather is expected thursday into friday.


lhz362-363-071545-
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-
337 am edt mon sep 7 2026

.today...light and variable winds. waves 2 feet or less. 
.tonight...light and variable winds becoming southeast 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.tuesday...south winds 5 to 10 knots becoming southeast 10 to
15 knots early in the afternoon. waves 2 feet or less. 
.tuesday night...south winds 10 to 15 knots. a chance of showers
in the evening...then showers after midnight. waves 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots with gusts to around
30 knots becoming west 10 to 15 knots late in the evening.
showers. waves 5 to 7 feet. waves occasionally around 10 feet. 
.thursday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots by midnight. waves 3 to 5 feet. 
.friday...west winds 5 to 10 knots becoming south 10 to 15 knots
. waves 1 to 3 feet building to 2 to 4 feet by midnight. 


$$

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glflh 
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open lake forecast for lake huron
national weather service detroit/pontiac mi
337 am edt mon sep 7 2026

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...favorable marine conditions continue through most of
tuesday due to surface high pressure moving from the central to
eastern great lakes. a low pressure system then approaches
tuesday afternoon into wednesday with associated fronts leading
to rising heat/humidity and thunderstorm chances. cooler and
drier weather is expected thursday into friday.


lhz361-071545-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
337 am edt mon sep 7 2026

.today...light and variable winds. waves nearly calm. 
.tonight...southeast winds 5 to 10 knots veering to the south
early in the morning. waves 2 feet or less. 
.tuesday...southeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. a chance of showers in the
afternoon. waves 1 to 3 feet. 
.tuesday night...southeast winds 10 to 15 knots veering to the
south after midnight. a chance of showers in the evening...then
showers and a chance of thunderstorms after midnight. waves 2 to
4 feet subsiding to 1 to 3 feet after midnight. 
.wednesday...southwest winds 10 to 15 knots becoming west 15 to
20 knots with gusts to around 30 knots late in the afternoon. a
chance of showers. waves 3 to 5 feet building to 4 to 6 feet late
in the afternoon. waves occasionally around 8 feet. 
.thursday...northwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 5 to 10 knots. waves 3 to 5 feet subsiding
to 1 to 3 feet by midnight. 
.friday...southwest winds 5 to 10 knots backing to the south
early in the evening...then increasing to 10 to 15 knots by
midnight. waves 2 feet or less. 


$$