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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est tue dec 2 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 29.3 inch surface low moving up the northeast coast 
will deepen to 28.9 inches over southern atlantic canada by early 
wednesday morning before going out to sea. a 30.2 inch surface high 
will build across the ohio valley and lower great lakes later 
wednesday into thursday morning before pushing off the coast. a 
large 29.2 inch surface low near hudson bay will push its cold front 
across the lake wednesday night, with another 30.4 inch high 
building in its wake thursday night. the high will then quickly move 
east of the lake friday. another cold front will cross the lake late 
saturday and saturday night, this from a 29.3 inch low near northern 
james bay. then, another area of surface high pressure averaging 
30.3 inches will build eastward across the great lakes through 
sunday.


loz062-031000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est tue dec 2 2025

.overnight...northwest winds 5 to 15 knots becoming west.
waves 2 feet or less. 
.wednesday...southwest winds 10 to 15 knots increasing to
30 knots. a chance of snow showers late. waves 1 to 2 feet
building to 5 to 8 feet. waves occasionally around 10 feet. 
.wednesday night...southwest winds to 30 knots becoming west.
lake effect snow showers. waves 6 to 9 feet. waves occasionally
around 11 feet. 
.thursday...west winds to 30 knots becoming northwest. lake
effect snow showers likely. waves 6 to 10 feet. waves
occasionally around 13 feet. 
.thursday night...northwest winds 15 to 20 knots becoming
southwest 10 to 15 knots. a chance of snow showers in the
evening. waves 4 to 7 feet subsiding to 2 to 3 feet. waves
occasionally around 9 feet. 
.friday...southwest winds 15 to 25 knots. a chance of snow
showers friday night. waves 3 to 6 feet subsiding to 2 to 4 feet.
.saturday...southwest winds 15 to 20 knots becoming northwest. a
chance of snow showers. waves 3 to 6 feet. 
.sunday...northwest winds 10 to 15 knots becoming north. a chance
of snow showers. waves 1 to 3 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est tue dec 2 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 29.3 inch surface low moving up the northeast coast 
will deepen to 28.9 inches over southern atlantic canada by early 
wednesday morning before going out to sea. a 30.2 inch surface high 
will build across the ohio valley and lower great lakes later 
wednesday into thursday morning before pushing off the coast. a 
large 29.2 inch surface low near hudson bay will push its cold front 
across the lake wednesday night, with another 30.4 inch high 
building in its wake thursday night. the high will then quickly move 
east of the lake friday. another cold front will cross the lake late 
saturday and saturday night, this from a 29.3 inch low near northern 
james bay. then, another area of surface high pressure averaging 
30.3 inches will build eastward across the great lakes through 
sunday.


loz063-031000-
lake ontario open waters from hamlin beach to sodus bay-
1002 pm est tue dec 2 2025

.overnight...north winds 5 to 15 knots becoming west. waves
1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots increasing to 15 to
25 knots. a chance of snow showers early. waves 1 to 3 feet
building to 3 to 6 feet. 
.wednesday night...southwest winds to 30 knots becoming west.
lake effect snow showers in the evening, then lake effect snow
showers with lake effect rain showers likely overnight. waves
4 to 7 feet building to 6 to 10 feet. waves occasionally around
13 feet. 
.thursday...west winds to 30 knots becoming northwest. lake
effect snow showers. waves 8 to 11 feet building to 9 to 13 feet.
waves occasionally around 16 feet. 
.thursday night...northwest winds to 30 knots becoming southwest
and diminishing to 10 to 15 knots overnight. waves 7 to 10 feet
subsiding to 2 to 3 feet. waves occasionally around 13 feet. 
.friday...south winds 15 to 20 knots becoming southwest. waves
2 to 4 feet. 
.saturday...southwest winds 15 to 20 knots becoming west. a
chance of snow showers. waves 2 to 4 feet building to 4 to
7 feet, then subsiding to 3 to 6 feet. waves occasionally around
9 feet. 
.sunday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. a chance of snow showers during the day. waves 3 to
5 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 tue dec 2 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 29.3 inch surface low moving up the northeast coast 
will deepen to 28.9 inches over southern atlantic canada by early 
wednesday morning before going out to sea. a 30.2 inch surface high 
will build across the ohio valley and lower great lakes later 
wednesday into thursday morning before pushing off the coast. a 
large 29.2 inch surface low near hudson bay will push its cold front 
across the lake wednesday night, with another 30.4 inch high 
building in its wake thursday night. the high will then quickly move 
east of the lake friday. another cold front will cross the lake late 
saturday and saturday night, this from a 29.3 inch low near northern 
james bay. then, another area of surface high pressure averaging 
30.3 inches will build eastward across the great lakes through 
sunday.


loz064-065-031000-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 pm est tue dec 2 2025

.overnight...north winds 5 to 15 knots becoming northwest.
waves 1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots increasing to 15 to
25 knots. a chance of snow showers in the morning. a chance of
snow showers late. waves 1 foot or less building to 3 to 6 feet. 
.wednesday night...southwest winds to 30 knots becoming west.
lake effect snow and rain showers. waves 5 to 9 feet building to
7 to 11 feet. waves occasionally around 14 feet. 
.thursday...west winds to 30 knots becoming northwest. lake
effect snow showers. waves 8 to 11 feet building to 9 to 13 feet.
waves occasionally around 16 feet. 
.thursday night...northwest winds to 30 knots becoming south and
diminishing to 10 to 15 knots overnight. a chance of snow showers
overnight. waves 8 to 11 feet subsiding to 1 to 3 feet. waves
occasionally around 14 feet. 
.friday...south winds 15 to 25 knots becoming southwest. a chance
of snow showers. waves 3 to 6 feet. 
.saturday...southwest winds 15 to 25 knots becoming northwest.
snow showers likely. waves 3 to 6 feet building to 4 to 7 feet,
then subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.sunday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. snow showers likely during the day, then a chance of
snow showers sunday night. waves 3 to 5 feet subsiding to 1 to
3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
328 am est wed dec 3 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 30.20 inches will persist over the lake today. weak
low pressure 29.90 inches will extend a cold front east across the
lake tonight into thursday, followed by high pressure 30.40 
inches for thursday night into friday. another low pressure 29.70 
inches will extend a cold front east through the area on saturday 
into sunday.


lez061-167>169-031515-
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-
328 am est wed dec 3 2025

.today...southwest winds 15 to 25 knots increasing to 30 knots. a
slight chance of snow showers late. waves 3 to 6 feet building to
7 to 10 feet. waves occasionally around 13 feet. 
.tonight...southwest winds to 30 knots becoming northwest. snow
showers through the early overnight, then a chance of snow
showers late. waves 7 to 11 feet subsiding to 6 to 9 feet. waves
occasionally around 14 feet. 
.thursday...northwest winds to 30 knots diminishing to 15 to
25 knots. a chance of snow showers in the morning. waves 5 to
8 feet. waves occasionally around 10 feet. 
.thursday night...northwest winds 15 to 20 knots becoming south.
waves 3 to 6 feet subsiding to 1 to 3 feet. 
.friday...south winds 15 to 20 knots becoming southwest. waves
3 to 6 feet. 
.saturday...southwest winds 15 to 25 knots becoming northwest. a
chance of snow showers. waves 4 to 7 feet subsiding to 2 to
4 feet. waves occasionally around 9 feet. 
.sunday...northwest winds 5 to 15 knots becoming north. a chance
of snow showers. waves 1 to 3 feet. 

$$