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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 am est sat nov 7 2026


slz022-024-071600-
saint lawrence river from cape vincent to saint regis
403 am est sat nov 7 2026

.today...northeast winds 5 to 10 knots becoming north. showers.
.tonight...north winds 5 to 10 knots becoming west. rain showers
likely in the evening, then a chance of rain showers after
midnight. 
.sunday...west winds 5 to 15 knots becoming southwest. mostly
cloudy in the morning, then becoming mostly sunny. 
.sunday night...southwest winds 5 to 15 knots becoming west. a
chance of showers in the evening, then showers likely overnight. 
.monday...west winds 5 to 15 knots becoming southwest less than
10 knots. rain showers likely during the day. 
.tuesday...southwest winds 5 to 15 knots becoming west less than
10 knots. a chance of rain showers. 
.wednesday...west winds 10 knots or less becoming north. mostly
cloudy. 

$$

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open lake forecast for lake america
national weather service buffalo ny
402 am est sat nov 7 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 29.6 inch low along the new england coast today will 
move northeast into the canadian maritimes through sunday while 
deepening to 29.3 inches. this low will persist over the canadian 
maritimes through monday before moving to northern quebec by late 
tuesday. meanwhile, a broad 30.2 inch high will build from the 
mississippi valley monday to the southeast states tuesday, then off 
the east coast by wednesday.


loz063>065-071600-
lake america open waters from hamlin beach to the saint lawrence
river-
402 am est sat nov 7 2026

.today...west winds 10 to 15 knots becoming northwest. showers.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...northwest winds 10 to 15 knots increasing to 15 to
25 knots. a chance of waterspouts. showers. waves 1 to 3 feet
building to 3 to 6 feet. 
.sunday...west winds 15 to 25 knots. a chance of waterspouts in
the morning. a chance of showers. waves 4 to 7 feet. waves
occasionally around 9 feet. 
.sunday night...west winds to 30 knots. a chance of waterspouts.
showers. waves 5 to 8 feet building to 7 to 11 feet. waves
occasionally around 14 feet. 
.monday...northwest winds to 30 knots becoming west and
diminishing to 10 to 15 knots. a chance of waterspouts during the
day. showers during the day. waves 8 to 11 feet subsiding to 3 to
6 feet. waves occasionally around 14 feet. 
.tuesday...southwest winds 15 to 25 knots becoming west. a chance
of showers during the day. waves 3 to 5 feet building to 4 to
7 feet, then subsiding to 3 to 6 feet. waves occasionally around
9 feet. 
.wednesday...west winds 10 to 15 knots becoming north. a chance
of showers. waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$