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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
415 am edt tue apr 13 2021


slz022-024-131515-
saint lawrence river from cape vincent to saint regis
415 am edt tue apr 13 2021

.today...southeast winds 10 knots or less becoming southwest.
cloudy this morning, then becoming partly sunny. 
.tonight...light and variable winds. mostly cloudy. 
.wednesday...southeast winds 10 knots or less becoming southwest.
mostly sunny. 
.wednesday night...south winds less than 10 knots. a chance of
showers overnight. 
.thursday...northeast winds 10 knots or less becoming east. rain
showers likely. 
.friday...northeast winds 5 to 15 knots diminishing to less than
10 knots. a chance of rain showers during the day. 
.saturday...northeast winds 10 knots or less becoming south.
partly to mostly cloudy. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
415 am edt tue apr 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 30.1 inch high will build into the eastern 
great lakes today through wednesday. a 29.6 inch low is then 
forecast to develop near the delmarva wednesday night, moving 
slowly north to off the southern new england coast by thursday 
night and friday while deepening to 29.4 inches. this low will 
then drift slowly eastward into the north atlantic friday night.

loz062-131515-
lake ontario open waters from the niagara river to hamlin beach-
415 am edt tue apr 13 2021

.today...east winds 10 knots or less becoming northeast. patchy
drizzle this morning. areas of fog. waves 2 feet or less. 
.tonight...east winds 10 knots or less becoming south. waves
1 foot or less. 
.wednesday...southwest winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.wednesday night...east winds 10 knots or less becoming
northwest. a chance of showers. waves 1 foot or less. 
.thursday...northwest winds 5 to 15 knots. a chance of showers.
waves 2 feet or less. 
.friday...north winds 5 to 10 knots becoming northwest. a chance
of showers during the day. waves 1 foot or less. 
.saturday...northwest winds 10 knots or less becoming west. waves
1 foot or less. 

$$

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loz063>065-131515-
lake ontario open waters from hamlin beach to the saint lawrence
river-
415 am edt tue apr 13 2021

.today...east winds 5 to 10 knots becoming northeast. waves
2 feet or less. 
.tonight...north winds less than 10 knots. waves 1 foot or less. 
.wednesday...south winds 10 knots or less becoming northwest.
waves 1 foot or less. 
.wednesday night...west winds 10 knots or less becoming
northwest. a chance of showers in the evening, then showers
likely overnight. waves 1 foot or less. 
.thursday...northwest winds 5 to 15 knots. rain showers likely.
waves 2 feet or less. 
.friday...north winds 5 to 15 knots becoming northwest. a chance
of rain showers during the day. waves 2 feet or less. 
.saturday...northwest winds 5 to 10 knots becoming southwest.
waves 1 foot or less. 

$$