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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est mon dec 22 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.


loz062-222200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est mon dec 22 2025

.rest of today...west winds 15 to 20 knots becoming southwest. a
chance of snow showers late. waves 3 to 5 feet. 
.tonight...southwest winds 15 to 20 knots becoming southeast 5 to
15 knots. a chance of snow early, then snow. snow and rain late.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 10 to 15 knots becoming west 15 to
20 knots. rain in the morning, then a chance of rain in the
afternoon. waves 1 to 3 feet building to 3 to 5 feet. 
.tuesday night...west winds to 30 knots becoming northwest. waves
5 to 8 feet building to 6 to 9 feet. waves occasionally around
11 feet. 
.wednesday...northwest winds 15 to 25 knots becoming south and
diminishing to 10 knots or less. waves 5 to 8 feet subsiding to
1 foot or less. waves occasionally around 10 feet. 
.thursday...northwest winds 10 knots or less becoming east and
increasing to 15 to 20 knots. rain showers likely thursday night.
waves 2 feet or less building to 2 to 4 feet. 
.friday...east winds 15 to 20 knots becoming northwest 10 to
15 knots. rain showers. waves 4 to 7 feet subsiding to 2 to
4 feet. waves occasionally around 9 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est mon dec 22 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.


loz063-222200-
lake ontario open waters from hamlin beach to sodus bay-
1002 am est mon dec 22 2025

.rest of today...west winds 15 to 20 knots. waves 3 to 5 feet. 
.tonight...southwest winds 15 to 20 knots becoming south 10 to
15 knots. a chance of snow early, then snow. snow and rain late.
waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest. rain in
the morning, then a chance of rain in the afternoon. waves 1 to
3 feet building to 3 to 5 feet. 
.tuesday night...west winds to 30 knots becoming northwest. a
chance of rain showers in the evening. waves 5 to 8 feet building
to 7 to 11 feet. waves occasionally around 14 feet. 
.wednesday...northwest winds 15 to 25 knots becoming south and
diminishing to 5 to 15 knots. waves 7 to 10 feet subsiding to
1 to 2 feet. waves occasionally around 13 feet. 
.thursday...west winds 5 to 15 knots becoming east 15 to
20 knots. a chance of rain and snow showers thursday night. waves
2 feet or less building to 2 to 4 feet. 
.friday...east winds 15 to 25 knots becoming northwest. rain
showers with snow showers likely. waves 3 to 6 feet building to
4 to 7 feet, then subsiding to 3 to 5 feet. waves occasionally
around 9 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est mon dec 22 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.


loz064-065-222200-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 am est mon dec 22 2025

.rest of today...southwest winds 15 to 20 knots. snow late this
morning, then a chance of snow showers early this afternoon.
waves 2 to 4 feet building to 3 to 5 feet. 
.tonight...west winds 15 to 20 knots becoming south 10 to
15 knots. a chance of snow early, then snow from late evening on.
waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest. rain
and snow in the morning, then rain likely in the afternoon. waves
1 to 3 feet building to 3 to 5 feet. 
.tuesday night...west winds 15 to 25 knots becoming northwest to
30 knots. rain showers likely in the evening, then a chance of
rain and snow showers overnight. waves 5 to 8 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 east 15 to
20 knots. a chance of rain and snow showers thursday night. waves
1 to 3 feet. 
.friday...east winds 15 to 25 knots becoming north. rain and snow
showers. waves 3 to 6 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1002 am est mon dec 22 2025


slz022-222200-
saint lawrence river from cape vincent to ogdensburg-
1002 am est mon dec 22 2025

.rest of today...south winds 10 knots or less becoming southwest.
snow, then a chance of snow showers late. 
.tonight...southwest winds less than 10 knots becoming south. a
chance of snow through the early overnight, then snow likely
late. 
.tuesday...southeast winds 10 knots or less. snow in the morning,
then snow with rain showers likely in the afternoon. 
.tuesday night...southwest winds 5 to 15 knots becoming
northwest. snow showers with rain showers likely in the evening,
then snow showers likely overnight. 
.wednesday...northwest winds 10 to 15 knots becoming south less
than 10 knots. mostly cloudy. 
.thursday...west winds 10 knots or less becoming northeast. a
chance of snow showers thursday night. 
.friday...northeast winds 5 to 10 knots becoming north. snow
showers. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
920 am est mon dec 22 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 exit to the east today. 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. pressure falls to 29.60 inches friday with an
approaching area of low pressure.


lez061-168-169-222115-
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-
920 am est mon dec 22 2025

.rest of today...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a slight chance of snow early this afternoon. a
chance of snow with a slight chance of rain late. waves 2 to
4 feet. 
.tonight...south winds 10 to 15 knots. a slight chance of rain
and snow early, then a chance of rain late in the evening. rain
after midnight. waves 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots becoming west 15 to
20 knots. a chance of rain. 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 to 15 knots becoming south
10 knots or less. a chance of rain wednesday night. waves 2 to
4 feet subsiding to 2 feet or less. 
.thursday...south winds 5 to 15 knots becoming southeast. rain
likely thursday night. waves 2 feet or less. 
.friday...southwest winds 15 to 20 knots becoming west and
diminishing to 5 to 10 knots. rain during the day. waves 2 to
4 feet building to 3 to 5 feet, then subsiding to 2 to 3 feet. 

$$