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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est sun nov 9 2025

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 29.6 inch low will move off the southern new england 
coast tonight, then strengthen further to 29.1 inches while moving 
north across quebec tuesday. another 29.2 inch low will move east 
across hudson bay wednesday. a 30.1 inch high will then build from 
the canadian prairies thursday to northwest ontario province friday 
while strengthening to 30.3 inches.


loz062-101000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est sun nov 9 2025

.overnight...north winds 15 to 25 knots. snow, then a
chance of snow showers late. waves 4 to 7 feet. waves
occasionally around 9 feet. 
.monday...north winds 15 to 20 knots becoming northwest. a chance
of snow showers early, then snow showers likely late in the
morning. a chance of snow showers in the afternoon. waves 3 to
5 feet. 
.monday night...northwest winds 15 to 25 knots. snow showers
likely. waves 3 to 6 feet. 
.tuesday...northwest winds to 30 knots becoming west. a chance of
snow showers in the morning, then a chance of rain and snow
showers in the afternoon. waves 5 to 8 feet building to 7 to
10 feet. waves occasionally around 13 feet. 
.tuesday night...west winds to 30 knots becoming southwest. rain
showers. waves 6 to 10 feet. waves occasionally around 13 feet. 
.wednesday...west gales to 35 knots. showers. waves 8 to 12 feet
subsiding to 7 to 10 feet. waves occasionally around 15 feet. 
.thursday...west winds to 30 knots diminishing to 15 to 20 knots.
showers likely. waves 7 to 11 feet subsiding to 3 to 6 feet.
waves occasionally around 14 feet. 
.friday...northwest winds 15 to 20 knots becoming northeast 10 to
15 knots. a chance of rain showers during the day. waves 2 to
4 feet subsiding to 1 to 3 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est sun nov 9 2025

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 29.6 inch low will move off the southern new england 
coast tonight, then strengthen further to 29.1 inches while moving 
north across quebec tuesday. another 29.2 inch low will move east 
across hudson bay wednesday. a 30.1 inch high will then build from 
the canadian prairies thursday to northwest ontario province friday 
while strengthening to 30.3 inches.


loz063>065-101000-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm est sun nov 9 2025

.overnight...north winds 15 to 25 knots. a chance of rain
and snow showers, then a chance of snow showers late. waves 5 to
8 feet subsiding to 3 to 6 feet. waves occasionally around
10 feet. 
.monday...north winds 15 to 20 knots becoming northwest. a chance
of snow showers through early afternoon, then snow showers likely
late. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.monday night...northwest winds 15 to 25 knots. snow showers.
waves 2 to 4 feet building to 4 to 7 feet. waves occasionally
around 9 feet. 
.tuesday...northwest winds to 30 knots becoming west. snow
showers in the morning, then rain and snow showers likely in the
afternoon. waves 5 to 8 feet building to 9 to 12 feet. waves
occasionally around 15 feet. 
.tuesday night...west winds to 30 knots becoming southwest. rain
showers. waves 8 to 12 feet. waves occasionally around 15 feet. 
.wednesday...west gales to 35 knots diminishing to 30 knots. rain
showers. waves 8 to 11 feet building to 10 to 14 feet. waves
occasionally around 18 feet. 
.thursday...west winds to 30 knots diminishing to 15 to 20 knots.
rain showers. waves 8 to 12 feet subsiding to 5 to 8 feet. waves
occasionally around 15 feet. 
.friday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. a chance of rain showers during the day. waves 3 to
6 feet subsiding to 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
320 am est mon nov 10 2025

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 trough averaging 29.90 inches lingers over lake erie today 
before a warm front moves through tuesday night, followed by a 
cold front on wednesday. a ridge averaging 30.10 inches returns
late thursday through friday.



lez061-167>169-101515-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 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-
320 am est mon nov 10 2025

.today...north winds 15 to 25 knots becoming northwest. a chance
of snow through early afternoon, then snow likely late. waves
3 to 6 feet building to 4 to 7 feet. waves occasionally around
9 feet. 
.tonight...northwest winds to 30 knots. snow likely. waves 5 to
9 feet. waves occasionally around 11 feet. 
.tuesday...west winds to 30 knots. snow in the morning, then rain
likely in the afternoon. waves 7 to 11 feet building to 9 to
12 feet. waves occasionally around 15 feet. 
.tuesday night...southwest gales to 35 knots. rain likely in the
evening, then a chance of rain overnight. waves 9 to 12 feet.
waves occasionally around 15 feet. 
.wednesday...southwest winds to 30 knots becoming west. rain
likely. waves 9 to 12 feet subsiding to 7 to 10 feet. waves
occasionally around 15 feet. 
.thursday...west winds 15 to 25 knots. waves 5 to 8 feet
subsiding to 3 to 5 feet. waves occasionally around 10 feet. 
.friday...west winds 5 to 15 knots becoming northeast. a chance
of rain friday night. waves 1 to 3 feet. 

$$