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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est mon dec 1 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 30.1 inch surface high centered just to the east of 
the lake this evening will slide quickly to new england on tuesday. 
a 29.6 inch surface low off the carolina coastline tuesday morning 
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.


loz062-021000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est mon dec 1 2025

.overnight...southeast winds 5 to 15 knots. snow.
waves 1 to 2 feet. 
.tuesday...southeast winds 5 to 10 knots becoming north. snow in
the morning, then a chance of snow showers early in the
afternoon. waves 2 feet or less. 
.tuesday night...north winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.wednesday...southwest winds 15 to 25 knots increasing to
30 knots. a chance of snow showers. waves 2 to 4 feet building to
5 to 9 feet. waves occasionally around 11 feet. 
.wednesday night...southwest winds to 30 knots becoming west.
snow and rain showers. waves 6 to 10 feet. waves occasionally
around 13 feet. 
.thursday...northwest winds to 30 knots becoming southwest and
diminishing to 10 to 15 knots. snow showers likely during the
day. waves 6 to 10 feet subsiding to 2 to 4 feet. waves
occasionally around 13 feet. 
.friday...southwest winds 15 to 20 knots. waves 2 to 4 feet
building to 3 to 5 feet. 
.saturday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of snow showers. waves 3 to 5 feet subsiding
to 2 to 4 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est mon dec 1 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 30.1 inch surface high centered just to the east of 
the lake this evening will slide quickly to new england on tuesday. 
a 29.6 inch surface low off the carolina coastline tuesday morning 
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.


loz063-021000-
lake ontario open waters from hamlin beach to sodus bay-
1002 pm est mon dec 1 2025

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

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est mon dec 1 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 30.1 inch surface high centered just to the east of 
the lake this evening will slide quickly to new england on tuesday. 
a 29.6 inch surface low off the carolina coastline tuesday morning 
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.


loz064-065-021000-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 pm est mon dec 1 2025

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

$$

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open lake forecast for lake erie
national weather service cleveland oh
902 pm est mon dec 1 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 weak trough averaging 30.00 inches will push across the lake
tuesday morning, followed by high pressure 30.20 inches building 
across the ohio valley on wednesday. low pressure 29.70 inches 
will drag a strong cold front east across the lake wednesday 
night into thursday, followed by another area of high pressure 
30.50 inches for late thursday into friday.


lez061-168-169-020915-
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-
902 pm est mon dec 1 2025

.rest of tonight...southeast winds 5 to 10 knots. a chance of
snow after midnight. snow late. waves 1 foot or less. 
.tuesday...southeast winds 10 knots or less becoming north. snow
through early afternoon. waves 2 feet or less. 
.tuesday night...north winds 5 to 15 knots becoming west 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 25 knots increasing to
30 knots. waves 3 to 6 feet building to 5 to 9 feet. waves
occasionally around 11 feet. 
.wednesday night...southwest winds to 30 knots becoming west.
snow. waves 7 to 10 feet. waves occasionally around 13 feet. 
.thursday...northwest winds 15 to 25 knots becoming southwest and
diminishing to 10 to 15 knots. a chance of snow during the day.
waves 5 to 8 feet subsiding to 2 to 3 feet. waves occasionally
around 10 feet. 
.friday...southwest winds 15 to 20 knots. a chance of snow friday
night. waves 2 to 4 feet building to 3 to 5 feet. 
.saturday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of snow during the day, then a chance of snow
and rain saturday night. waves 3 to 5 feet subsiding to 2 to
3 feet. 

$$