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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est sun dec 21 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 large 30.6 inch high will build east across the lake 
tonight, then slide to the atlantic coastline monday. a 29.8 inch 
low just north of lake superior tuesday will pass north of the lake, 
resulting in a pair of fronts passing across the region. following 
the passage of this system, a 30.4 inch high will then build across 
the lake wednesday, sliding off the atlantic coastline thursday.


loz062-221000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est sun dec 21 2025

.rest of tonight...west winds 15 to 20 knots. waves 6 to 9 feet
subsiding to 3 to 5 feet. waves occasionally around 11 feet. 
.monday...west winds 15 to 20 knots becoming southwest. a chance
of snow late. waves 2 to 4 feet building to 3 to 5 feet. 
.monday night...southwest winds 5 to 15 knots becoming south.
rain and snow. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 10 to 15 knots becoming west and
increasing to 15 to 25 knots. rain and snow in the morning, then
rain likely in the afternoon. waves 1 to 2 feet building to 4 to
6 feet. 
.tuesday night...west winds to 30 knots becoming northwest 15 to
25 knots. waves 5 to 8 feet building to 6 to 9 feet. waves
occasionally around 11 feet. 
.wednesday...northwest winds 15 to 20 knots becoming southeast
and diminishing to 5 to 10 knots. waves 4 to 7 feet subsiding to
1 foot or less. waves occasionally around 9 feet. 
.thursday...southeast winds 5 to 15 knots increasing to 15 to
20 knots. a chance of rain showers thursday night. waves 2 feet
or less building to 2 to 4 feet. 
.friday...northeast winds 15 to 20 knots becoming east 10 to
15 knots. rain showers likely during the day, then a chance of
rain and snow showers 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
1002 pm est sun dec 21 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 large 30.6 inch high will build east across the lake 
tonight, then slide to the atlantic coastline monday. a 29.8 inch 
low just north of lake superior tuesday will pass north of the lake, 
resulting in a pair of fronts passing across the region. following 
the passage of this system, a 30.4 inch high will then build across 
the lake wednesday, sliding off the atlantic coastline thursday.


loz063-221000-
lake ontario open waters from hamlin beach to sodus bay-
1002 pm est sun dec 21 2025

.rest of tonight...northwest winds 15 to 20 knots becoming west.
a chance of snow showers late this evening, then lake effect snow
likely after midnight. waves 9 to 12 feet subsiding to 3 to
6 feet. waves occasionally around 15 feet. 
.monday...west winds 15 to 20 knots. a chance of snow showers
early. waves 3 to 5 feet. 
.monday night...southwest winds 10 to 15 knots becoming south.
rain and snow likely. waves 3 to 5 feet subsiding to 1 to 3 feet.
.tuesday...south winds 10 to 15 knots becoming west and
increasing to 15 to 25 knots. rain and snow in the morning, then
rain in the afternoon. waves 1 to 3 feet building to 3 to 6 feet.
.tuesday night...west winds to 30 knots becoming northwest. a
chance of rain in the evening. waves 6 to 10 feet building to
8 to 12 feet. waves occasionally around 15 feet. 
.wednesday...northwest winds 15 to 25 knots becoming southeast
and diminishing to 5 to 15 knots. waves 6 to 9 feet subsiding to
1 to 2 feet. waves occasionally around 11 feet. 
.thursday...south winds 5 to 15 knots becoming southeast 15 to
20 knots. a chance of rain showers thursday night. waves 1 to
2 feet building to 2 to 4 feet. 
.friday...north winds 15 to 20 knots becoming northeast. rain and
snow showers likely. 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
1002 pm est sun dec 21 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 large 30.6 inch high will build east across the lake 
tonight, then slide to the atlantic coastline monday. a 29.8 inch 
low just north of lake superior tuesday will pass north of the lake, 
resulting in a pair of fronts passing across the region. following 
the passage of this system, a 30.4 inch high will then build across 
the lake wednesday, sliding off the atlantic coastline thursday.


loz064-065-221000-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 pm est sun dec 21 2025

.rest of tonight...northwest winds 15 to 25 knots diminishing to
10 to 15 knots. a chance of snow showers after midnight. lake
effect snow likely late. waves 9 to 12 feet subsiding to 3 to
6 feet. waves occasionally around 15 feet. 
.monday...northwest winds 10 to 15 knots becoming southwest 15 to
20 knots. lake effect snow likely early, then a chance of snow
showers late in the morning. waves 2 to 4 feet building to 3 to
5 feet. 
.monday night...southwest winds 10 to 15 knots becoming south. a
chance of rain and snow in the evening, then snow and rain likely
overnight. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...southeast winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. rain and snow. waves 1 to 3 feet
building to 3 to 6 feet. 
.tuesday night...west winds to 30 knots becoming northwest. rain
likely in the evening, then a chance of snow and rain overnight.
waves 6 to 9 feet building to 8 to 12 feet. waves occasionally
around 15 feet. 
.wednesday...northwest winds 15 to 25 knots becoming south and
diminishing to 5 to 15 knots. waves 7 to 10 feet subsiding to
2 feet or less. waves occasionally around 13 feet. 
.thursday...south winds 10 to 15 knots becoming southeast. a
chance of rain showers thursday night. waves 1 to 3 feet. 
.friday...northeast winds 15 to 20 knots. rain and snow showers
likely. waves 2 to 4 feet building to 3 to 5 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
900 pm est sun dec 21 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 30.50 inches will build into the region tonight
before departing to the east tomorrow. a warm front moves through
monday night followed by a cold front late tuesday. high pressure
30.30 inches returns for tuesday night into wednesday. low 
pressure 29.90 inches moves across lake erie late thursday night 
into friday morning.


lez061-168-169-220915-
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-
900 pm est sun dec 21 2025

.overnight...west winds 15 to 20 knots becoming southwest
10 to 15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.monday...southwest winds 10 to 15 knots. a slight chance of snow
early in the afternoon. a chance of snow late. waves 2 to 4 feet.
.monday night...south winds 10 to 15 knots. a chance of rain and
snow in the evening, then rain overnight. waves 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west. a chance
of rain in the morning. waves 1 to 3 feet building to 3 to
6 feet. 
.tuesday night...west winds 15 to 20 knots becoming northwest.
waves 3 to 6 feet. 
.wednesday...northwest winds 10 knots or less becoming south. a
chance of rain wednesday night. waves 1 to 3 feet subsiding to
1 foot or less. 
.thursday...south winds 5 to 15 knots becoming southwest. a
chance of rain. waves 1 to 3 feet. 
.friday...northwest winds 10 to 15 knots becoming northeast. rain
likely during the day, then a chance of rain friday night. waves
2 to 4 feet subsiding to 1 to 2 feet. 

$$