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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 am est mon nov 9 2026


slz022-024-091600-
saint lawrence river from cape vincent to saint regis
403 am est mon nov 9 2026

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

$$

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open lake forecast for lake america
national weather service buffalo ny
402 am est mon nov 9 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 29.4 inch low over the canadian maritimes today will 
move north to northern quebec by late tuesday. meanwhile, another 
29.7 inch low will move from northwest ontario province tonight to 
southern quebec tuesday before reaching the gulf of maine by 
wednesday. another 29.5 inch low will develop over the ohio valley 
wednesday night through thursday, then give way to a secondary low 
along the mid atlantic coast by thursday night. this 29.2 inch 
coastal low will move northeast along or offshore of the new 
england coast friday through saturday.


loz063>065-091600-
lake america open waters from hamlin beach to the saint lawrence
river-
402 am est mon nov 9 2026

.today...northwest winds to 30 knots diminishing to 15 to
25 knots. a chance of waterspouts this morning. showers likely
early, then a chance of showers late this morning. waves 7 to
10 feet subsiding to 3 to 6 feet. waves occasionally around
13 feet. 
.tonight...northwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.tuesday...southwest winds 15 to 25 knots becoming west. a chance
of showers. waves 2 to 4 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 
.tuesday night...west winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. waves 5 to 8 feet subsiding to
2 to 4 feet. waves occasionally around 10 feet. 
.wednesday...northwest winds 5 to 15 knots becoming northeast
15 to 20 knots. a chance of showers wednesday night. waves 1 to
3 feet. 
.thursday...northeast winds 15 to 25 knots increasing to
30 knots. rain likely. waves 3 to 6 feet building to 5 to 9 feet.
waves occasionally around 11 feet. 
.friday...northeast winds to 30 knots becoming north. a chance of
rain. waves 5 to 9 feet subsiding to 4 to 7 feet. waves
occasionally around 11 feet. 

$$