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open lake forecast for lake ontario
national weather service buffalo ny
134 pm edt sun jun 13 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 weak trough of low pressure averaging 29.7 inches 
will settle across the lower great lakes today through monday 
before exiting across new england on tuesday. surface high 
pressure averaging 30.1 inches will then span the upper and lower 
great lakes wednesday and thursday.


loz063>065-132100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
134 pm edt sun jun 13 2021

.this afternoon...north winds 5 to 10 knots becoming east. waves
1 foot or less. 
.tonight...southwest winds 10 knots or less. a chance of showers
late in the evening. waves 1 foot or less. 
.monday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.monday night...southwest winds 5 to 10 knots becoming west.
waves 1 to 3 feet. 
.tuesday...northwest winds 5 to 15 knots becoming north 15 to
20 knots. waves 1 to 3 feet. 
.wednesday...north winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...west winds 5 to 15 knots becoming southwest. waves
1 to 3 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
134 pm edt sun jun 13 2021


slz022-024-132100-
saint lawrence river from cape vincent to saint regis
134 pm edt sun jun 13 2021

.this afternoon...west winds 5 to 10 knots. sunny early
, then becoming partly sunny. 
.tonight...southwest winds less than 10 knots becoming south. a
chance of showers. 
.monday...south winds 10 knots or less becoming west. a chance of
showers in the morning, then showers in the afternoon. 
.monday night...west winds 5 to 10 knots becoming light and
variable. showers likely in the evening, then a chance of showers
overnight. 
.tuesday...northwest winds 10 knots or less becoming north. a
chance of showers. 
.wednesday...northwest winds 5 to 10 knots becoming light and
variable. partly cloudy. 
.thursday...west winds 5 to 15 knots becoming southwest less than
10 knots. mainly clear, then becoming partly cloudy. 

$$