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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 pm edt wed jul 8 2026


slz022-024-090900-
saint lawrence river from cape vincent to saint regis
1003 pm edt wed jul 8 2026

.overnight...southwest winds less than 10 knots. mainly
clear, then becoming partly cloudy. 
.thursday...southwest winds 10 knots or less becoming west.
showers with a chance of thunderstorms in the afternoon. 
.thursday night...west winds less than 10 knots. showers with a
chance of thunderstorms in the evening, then showers overnight. 
.friday...light and variable winds. a chance of showers in the
morning. 
.friday night...north winds less than 10 knots. mainly clear. 
.saturday...north winds less than 10 knots. mainly clear. 
.sunday...light and variable winds. mainly clear. 
.monday...southwest winds 10 knots or less. partly cloudy. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt wed jul 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 broad 30.1 inch high will linger across the mid-
atlantic states overnight, before giving way to a weak cold front 
that will cross the lake thursday night through early friday. 
another 30.1 inch high will then build across the upper great lakes 
friday and the lower great lakes over the weekend, before drifting 
off the new england coast monday.


loz063>065-090900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt wed jul 8 2026

.overnight...southwest winds 10 knots or less. waves 1 foot
or less. 
.thursday...southwest winds 5 to 10 knots becoming west. a chance
of showers and thunderstorms late. waves 1 foot or less. 
.thursday night...west winds 5 to 10 knots. showers with a chance
of thunderstorms in the evening, then showers overnight. waves
1 foot or less. 
.friday...northwest winds 5 to 10 knots becoming west. showers
likely in the morning. waves 1 foot or less. 
.friday night...northwest winds 5 to 10 knots becoming north.
waves 1 foot or less. 
.saturday...northeast winds 10 knots or less. waves 2 feet or
less. 
.sunday...east winds 10 knots or less becoming south. waves
1 foot or less. 
.monday...southwest winds 5 to 10 knots. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$