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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1002 am est sun nov 15 2026


slz022-024-152200-
saint lawrence river from cape vincent to saint regis
1002 am est sun nov 15 2026

.rest of today...northwest winds 5 to 10 knots. partly sunny late
this morning, then becoming cloudy. 
.tonight...northwest winds less than 10 knots. cloudy.
.monday...northwest winds less than 10 knots becoming southwest.
mostly cloudy in the morning, then clearing. 
.monday night...southwest winds 5 to 10 knots. mainly clear in
the evening, then becoming partly cloudy. 
.tuesday...southwest winds 5 to 15 knots. partly cloudy. 
.wednesday...southwest winds 5 to 10 knots. partly cloudy. 
.thursday...southwest winds 5 to 15 knots. partly to mostly
cloudy. 

$$

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open lake forecast for lake america
national weather service buffalo ny
1001 am est sun nov 15 2026

for waters beyond five nautical miles of shore on lake america

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 30.5 inch high will gradually build from the upper 
midwest to the mid-atlantic states through wednesday...where it will 
then remain through friday while a 29.7 inch low tracks across 
northern ontario and quebec provinces.


loz062-152200-
lake america open waters from the niagara river to hamlin beach-
1001 am est sun nov 15 2026

.this afternoon...northwest winds 10 to 15 knots. waves 2 to
4 feet subsiding to 1 to 2 feet. 
.tonight...northwest winds 5 to 15 knots. waves 1 to 2 feet. 
.monday...northwest winds 5 to 15 knots becoming west. waves 1 to
2 feet. 
.monday night...west winds 10 to 15 knots increasing to 15 to
20 knots. waves 2 to 4 feet. 
.tuesday...west winds 15 to 20 knots. waves 3 to 5 feet subsiding
to 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...southwest winds 15 to 20 knots becoming west. waves
1 to 3 feet building to 2 to 4 feet. 

$$

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open lake forecast for lake america
national weather service buffalo ny
1001 am est sun nov 15 2026

for waters beyond five nautical miles of shore on lake america

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 30.5 inch high will gradually build from the upper 
midwest to the mid-atlantic states through wednesday...where it will 
then remain through friday while a 29.7 inch low tracks across 
northern ontario and quebec provinces.


loz063>065-152200-
lake america open waters from hamlin beach to the saint lawrence
river-
1001 am est sun nov 15 2026

.this afternoon...northwest winds 10 to 15 knots. waves 3 to
5 feet subsiding to 1 to 3 feet. 
.tonight...northwest winds 10 to 15 knots. waves 1 to 3 feet. 
.monday...northwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.monday night...west winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...west winds 15 to 20 knots. waves 3 to 5 feet. 
.wednesday...west winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.thursday...southwest winds 15 to 20 knots. waves 1 to 3 feet
building to 2 to 4 feet. 

$$