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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 am est thu nov 5 2026


slz022-024-051600-
saint lawrence river from cape vincent to saint regis
403 am est thu nov 5 2026

.today...south winds 5 to 15 knots becoming southwest. showers
this morning, then a chance of showers early this afternoon. 
.tonight...southwest winds 10 knots or less. mostly cloudy. 
.friday...light and variable winds. a chance of showers. 
.friday night...light and variable winds becoming northeast 5 to
10 knots. a chance of showers in the evening, then showers likely
overnight. 
.saturday...northeast winds 5 to 10 knots becoming northwest.
rain showers likely. 
.sunday...west winds 5 to 10 knots. a chance of rain showers. 
.monday...west winds 5 to 10 knots becoming southwest. a chance
of rain showers during the day. 

$$

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open lake forecast for lake america
national weather service buffalo ny
402 am est thu nov 5 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...an elongated 29.4 inch low over the central great lakes 
and ontario will continue to cross into quebec today and friday. 
following the passage of the low, a 29.9 inch trough will linger 
across the lower great lakes saturday. a secondary trough of 29.7 
inches will cross the great lakes sunday. a ridge of 30.0 inches 
will build across the great lakes monday.


loz062-051600-
lake america open waters from the niagara river to hamlin beach-
402 am est thu nov 5 2026

.today...southwest winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers early. waves 1 to 3 feet building
to 3 to 5 feet. 
.tonight...southwest winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of showers from late evening on. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.friday...southwest winds 10 knots or less becoming west. a
chance of waterspouts. a chance of showers. waves 1 foot or less.
.friday night...west winds 5 to 15 knots. a chance of
waterspouts. showers. waves 2 feet or less. 
.saturday...west winds 10 to 15 knots becoming northwest 15 to
20 knots. a chance of waterspouts. showers. waves 1 to 3 feet
building to 2 to 4 feet. 
.sunday...west winds 15 to 20 knots. a chance of showers sunday
night. waves 3 to 6 feet. 
.monday...west winds 15 to 20 knots becoming southwest. a chance
of showers during the day. waves 3 to 6 feet. 

$$

fzus61 kbuf 050902
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open lake forecast for lake america
national weather service buffalo ny
402 am est thu nov 5 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...an elongated 29.4 inch low over the central great lakes 
and ontario will continue to cross into quebec today and friday. 
following the passage of the low, a 29.9 inch trough will linger 
across the lower great lakes saturday. a secondary trough of 29.7 
inches will cross the great lakes sunday. a ridge of 30.0 inches 
will build across the great lakes monday.


loz063>065-051600-
lake america open waters from hamlin beach to the saint lawrence
river-
402 am est thu nov 5 2026

.today...south winds 15 to 20 knots becoming west. showers early,
then a chance of showers late this morning. waves 1 to 3 feet
building to 2 to 4 feet. 
.tonight...west winds 5 to 15 knots becoming southwest. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.friday...south winds 10 knots or less becoming north. a chance
of waterspouts. a chance of showers. waves 2 feet or less. 
.friday night...northwest winds 10 knots or less becoming west
10 to 15 knots. a chance of waterspouts. showers. waves 1 to
3 feet. 
.saturday...northwest winds 15 to 20 knots. a chance of
waterspouts. showers. waves 2 to 4 feet building to 3 to 5 feet. 
.sunday...northwest winds 15 to 25 knots. a chance of waterspouts
during the day. a chance of showers. waves 3 to 6 feet building
to 5 to 8 feet. waves occasionally around 10 feet. 
.monday...northwest winds 15 to 25 knots becoming west. a chance
of showers during the day. waves 5 to 8 feet subsiding to 3 to
5 feet. waves occasionally around 10 feet. 

$$