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open lake forecast for lake america
national weather service buffalo ny
1003 am est fri nov 13 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 trough averaging 29.9 inches will linger over the lake 
through saturday night as its parent coastal low of 29.3 inches 
wobbles northeastward from near nantucket to near newfoundland.
sunday through tuesday, a ridge averaging 30.5 inches will build 
from the upper midwest to the mid-atlantic states.


loz063>065-132200-
lake america open waters from hamlin beach to the saint lawrence
river-
1003 am est fri nov 13 2026

.this afternoon...north winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of waterspouts. a chance of rain showers.
waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tonight...north winds 10 to 15 knots becoming northwest. a
chance of waterspouts from late evening on. a chance of rain
showers after midnight. 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. 
.saturday night...northwest winds 15 to 20 knots becoming north.
a chance of waterspouts. showers likely in the evening, then a
chance of showers overnight. waves 3 to 6 feet. 
.sunday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of showers during the day. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.monday...northwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.tuesday...west winds 10 to 15 knots. waves 1 to 3 feet building
to 2 to 4 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 am est fri nov 13 2026


slz022-024-132200-
saint lawrence river from cape vincent to saint regis
1003 am est fri nov 13 2026

.this afternoon...north winds 5 to 10 knots becoming northwest.
cloudy.
.tonight...northwest winds less than 10 knots. a chance of snow
and rain showers late in the evening. a chance of rain and snow
showers late. 
.saturday...northwest winds 5 to 10 knots. rain and snow showers
in the morning, then rain showers in the afternoon. 
.saturday night...northwest winds 5 to 10 knots. rain showers
likely with a chance of snow showers in the evening. 
.sunday...northwest winds 10 knots or less. mostly cloudy. 
.monday...west winds less than 10 knots becoming southwest.
becoming mainly clear. 
.tuesday...southwest winds 5 to 10 knots. mainly clear. 

$$