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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1050 am edt fri jul 30 2021


slz022-024-302115-
saint lawrence river from cape vincent to saint regis
1050 am edt fri jul 30 2021

.this afternoon...northwest winds 10 to 15 knots. partly to mostly
sunny. 
.tonight...northwest winds 10 knots or less becoming west.
mainly clear. 
.saturday...southwest winds 10 knots or less becoming west 10 to
15 knots. a chance of showers in the afternoon. 
.saturday night...southwest winds 10 knots or less becoming
south. a chance of showers in the evening, then showers likely
overnight. 
.sunday...south winds 10 knots or less becoming northwest.
showers with a chance of thunderstorms. 
.monday...northwest winds less than 10 knots. a chance of showers.
.tuesday...southwest winds less than 10 knots. 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
1049 am edt fri jul 30 2021

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 build across the upper great 
lakes this afternoon before reaching the lower great lakes 
saturday. a cold front averaging 29.8 inches will cross the lower 
great lakes on sunday. a surface high pressure averaging 30.0 
inches will advance from the central great lakes to the eastern 
great lakes monday and tuesday.


loz063>065-302115-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1049 am edt fri jul 30 2021

.this afternoon...north winds 15 to 25 knots becoming northwest.
waves 3 to 5 feet. 
.tonight...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.saturday night...west winds 10 to 15 knots becoming southwest. a
chance of showers in the evening, then showers likely with a
chance of thunderstorms overnight. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest.
showers with a chance of thunderstorms. waves 1 to 3 feet.
.monday...northwest winds 5 to 10 knots. a chance of showers. 
waves 2 feet or less. 
.tuesday...southwest winds 10 knots or less. waves 1 foot or
less. 

winds and waves higher in and near thunderstorms.

$$