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open lake forecast for lake ontario
national weather service buffalo ny
402 am est mon dec 8 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 30.4 inch high will move across the lake this 
afternoon, and slide to the east tonight, and then move off the east 
coast tomorrow. a 29.5 inch low will move across the upper great 
lakes tuesday, then a stronger low averaging 29.3 inches will 
approach the region tuesday night and potentially move northwest of 
the lake wednesday. a 29.9 inch high is expected to move into the 
great lakes region thursday, followed by a 29.6 inch low which may 
approach the lake from the northwest late friday.


loz062-081600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est mon dec 8 2025

.today...north winds 5 to 15 knots becoming west less than
10 knots. waves 2 to 4 feet subsiding to 1 foot or less. 
.tonight...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.tuesday...south winds 15 to 25 knots becoming southwest to
30 knots. snow showers in the afternoon. waves 1 to 3 feet
building to 5 to 9 feet. waves occasionally around 11 feet. 
.tuesday night...southwest winds to 30 knots diminishing to 15 to
25 knots. rain and snow showers. waves 5 to 9 feet subsiding to
3 to 6 feet. waves occasionally around 11 feet. 
.wednesday...south winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. rain showers during the day, then
snow and rain showers wednesday night. waves 5 to 8 feet. waves
occasionally around 10 feet. 
.thursday...west winds 15 to 20 knots. a chance of snow showers.
waves 3 to 6 feet subsiding to 2 to 3 feet. 
.friday...west winds 15 to 20 knots. a chance of snow showers
during the day, then snow showers likely friday night. waves 2 to
4 feet building to 3 to 5 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 am est mon dec 8 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 30.4 inch high will move across the lake this 
afternoon, and slide to the east tonight, and then move off the east 
coast tomorrow. a 29.5 inch low will move across the upper great 
lakes tuesday, then a stronger low averaging 29.3 inches will 
approach the region tuesday night and potentially move northwest of 
the lake wednesday. a 29.9 inch high is expected to move into the 
great lakes region thursday, followed by a 29.6 inch low which may 
approach the lake from the northwest late friday.


loz063-081600-
lake ontario open waters from hamlin beach to sodus bay-
402 am est mon dec 8 2025

.today...north winds 15 to 20 knots becoming west and diminishing
to 5 to 10 knots. waves 3 to 6 feet subsiding to 2 feet or less. 
.tonight...west winds 5 to 15 knots becoming south. waves 2 feet
or less. 
.tuesday...south winds 15 to 25 knots. snow showers in the
afternoon. waves 2 to 4 feet building to 3 to 6 feet. 
.tuesday night...southwest winds to 30 knots diminishing to 15 to
25 knots. snow and rain showers. waves 3 to 6 feet building to
4 to 7 feet, then subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 
.wednesday...south winds to 30 knots becoming northwest. rain
showers during the day, then snow and rain showers wednesday
night. waves 3 to 6 feet building to 6 to 10 feet. waves
occasionally around 13 feet. 
.thursday...northwest winds 15 to 25 knots becoming west. a
chance of snow showers. waves 5 to 8 feet subsiding to 3 to
5 feet. waves occasionally around 10 feet. 
.friday...west winds 15 to 25 knots. a chance of snow showers
during the day, then snow showers likely friday night. waves 3 to
6 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 am est mon dec 8 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 30.4 inch high will move across the lake this 
afternoon, and slide to the east tonight, and then move off the east 
coast tomorrow. a 29.5 inch low will move across the upper great 
lakes tuesday, then a stronger low averaging 29.3 inches will 
approach the region tuesday night and potentially move northwest of 
the lake wednesday. a 29.9 inch high is expected to move into the 
great lakes region thursday, followed by a 29.6 inch low which may 
approach the lake from the northwest late friday.


loz064-065-081600-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 am est mon dec 8 2025

.today...north winds 15 to 20 knots becoming west and diminishing
to 10 knots or less this afternoon. scattered flurries early.
waves 3 to 6 feet subsiding to 2 feet or less. 
.tonight...west winds 5 to 15 knots becoming south. waves 2 feet
or less. 
.tuesday...south winds 15 to 25 knots increasing to 30 knots.
snow showers likely in the afternoon. waves 2 to 4 feet building
to 6 to 9 feet. waves occasionally around 11 feet. 
.tuesday night...south winds to 30 knots becoming southwest. snow
showers in the evening, then snow and rain showers overnight.
waves 5 to 9 feet. waves occasionally around 11 feet. 
.wednesday...south winds to 30 knots becoming northwest. rain and
snow showers. waves 4 to 7 feet building to 7 to 10 feet. waves
occasionally around 13 feet. 
.thursday...northwest winds 15 to 25 knots becoming west. snow
showers likely during the day, then a chance of snow showers
thursday night. waves 5 to 8 feet subsiding to 2 to 4 feet. waves
occasionally around 10 feet. 
.friday...west winds 15 to 25 knots becoming southwest. snow
showers likely. waves 3 to 6 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
307 am est mon dec 8 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...
high pressure ridging averaging 30.40 over the great lakes region
today will slide quickly eastward tonight. low pressure of 29.50 
inches tracks through the northern great lakes on tuesday, lifting
a warm front across lake erie. strong low pressure of 29.10 
inches tracks through the central great lakes on wednesday, 
dragging a strong cold front eastward across lake erie during the 
afternoon. behind the front, a trough averaging 29.90 inches 
lingers across the southern great lakes through friday.


lez061-168-169-081515-
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-
307 am est mon dec 8 2025

.today...northeast winds 5 to 15 knots becoming east. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.tonight...southeast winds 5 to 15 knots becoming south. waves
1 to 3 feet. 
.tuesday...south winds 15 to 25 knots becoming southwest to
30 knots. a chance of snow in the morning, then snow and rain in
the afternoon. waves 2 to 4 feet building to 8 to 11 feet. waves
occasionally around 14 feet. 
.tuesday night...southwest winds to 30 knots. rain and snow
likely in the evening, then rain overnight. waves 7 to 11 feet
subsiding to 6 to 9 feet. waves occasionally around 14 feet. 
.wednesday...southwest gales to 35 knots becoming northwest and
diminishing to 30 knots. rain during the day, then snow and rain
likely wednesday night. waves 10 to 15 feet subsiding to 5 to
8 feet. waves occasionally around 19 feet. 
.thursday...west winds 15 to 20 knots. a chance of snow. waves
3 to 6 feet. 
.friday...west winds 15 to 25 knots increasing to 30 knots. snow.
waves 3 to 6 feet building to 7 to 11 feet. waves occasionally
around 14 feet. 

$$