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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 am edt fri may 8 2026


slz022-024-082100-
saint lawrence river from cape vincent to saint regis
1003 am edt fri may 8 2026

.this afternoon...southwest winds 5 to 15 knots. mostly cloudy,
then becoming partly sunny. 
.tonight...southwest winds 5 to 10 knots becoming south. partly
cloudy. 
.saturday...south winds 5 to 10 knots. mostly sunny. 
.saturday night...south winds 5 to 15 knots becoming southwest.
showers likely. 
.sunday...southwest winds 5 to 15 knots becoming west less than
10 knots. a chance of rain showers during the day. 
.monday...west winds 10 knots or less becoming northwest. partly
cloudy. 
.tuesday...northwest winds 5 to 10 knots becoming light and
variable. partly cloudy. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt fri may 8 2026

for waters beyond five nautical miles of shore on lake ontario

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 30.1 inch high will drift off the mid atlantic coast 
through tonight. a weak 29.5 inch low will then move from the upper 
great lakes saturday to western quebec by early sunday before moving 
to northern quebec early monday. meanwhile, a trailing cold front 
will cross the lake sunday night. a 30.4 inch high will then build 
from the upper great lakes monday to the lower great lakes by 
tuesday.


loz062-082100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt fri may 8 2026

.this afternoon...west winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tonight...southwest winds 5 to 10 knots becoming south. waves
2 feet or less. 
.saturday...south winds 10 knots or less becoming southeast. a
chance of showers in the afternoon. waves 1 foot or less. 
.saturday night...south winds 10 to 15 knots becoming west. a
chance of showers. waves 1 to 3 feet. 
.sunday...west winds 5 to 15 knots becoming northwest. waves 1 to
3 feet. 
.monday...west winds 5 to 15 knots becoming northwest. waves
2 feet or less. 
.tuesday...northwest winds 5 to 10 knots becoming southeast.
waves 2 feet or less. 

$$

fzus61 kbuf 081402
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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt fri may 8 2026

for waters beyond five nautical miles of shore on lake ontario

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 30.1 inch high will drift off the mid atlantic coast 
through tonight. a weak 29.5 inch low will then move from the upper 
great lakes saturday to western quebec by early sunday before moving 
to northern quebec early monday. meanwhile, a trailing cold front 
will cross the lake sunday night. a 30.4 inch high will then build 
from the upper great lakes monday to the lower great lakes by 
tuesday.


loz063>065-082100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt fri may 8 2026

.this afternoon...west winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 
.tonight...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.saturday...south winds 5 to 15 knots becoming southeast. a
chance of showers in the afternoon. waves 2 feet or less. 
.saturday night...southeast winds 10 to 15 knots becoming west
15 to 20 knots. showers likely. waves 1 to 3 feet building to
2 to 4 feet. 
.sunday...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...west winds 5 to 15 knots becoming northwest. waves 1 to
3 feet. 
.tuesday...northwest winds 5 to 15 knots becoming south. waves
2 feet or less. 

$$