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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
210 pm edt tue apr 7 2020


slz022-024-072115-
saint lawrence river from cape vincent to saint regis
210 pm edt tue apr 7 2020

.this afternoon...west winds 5 to 10 knots. mostly sunny. 
.tonight...west winds 10 knots or less becoming northeast. a
chance of rain showers from late evening on. 
.wednesday...northeast winds 10 knots or less becoming north. a
chance of rain showers in the morning. 
.wednesday night...southwest winds 10 knots or less becoming
south. a chance of rain and snow showers overnight. 
.thursday...west winds 15 to 20 knots becoming southwest 10 to
15 knots. rain showers during the day, then rain and snow showers
likely thursday night. 
.friday...southwest winds 15 to 20 knots becoming northwest 5 to
15 knots. rain and snow showers during the day, then a chance of
rain and snow showers friday night. 
.saturday...west winds 10 knots or less becoming southwest.
partly to mostly cloudy. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
209 pm edt tue apr 7 2020

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...
low pressure of 29.4 inches continues to approach from lower 
michigan this afternoon into this evening. this low passes south 
of the lake tonight then exits the east coast on wednesday while a
very weak surface high crosses the lake. a strong cold front will
cross the lake thursday morning as a deepening 29.1 inch low 
crosses the ottawa valley. the storm system will move to the 
canadian maritimes thursday night and friday. the nose of a 30.0 
inch high over the southeast states will cross the lake saturday.


loz063>065-072115-
lake ontario open waters from hamlin beach to the saint lawrence
river-
209 pm edt tue apr 7 2020

.this afternoon...northwest winds 10 knots or less becoming
southeast. waves 1 foot or less. 
.tonight...south winds 10 knots or less becoming northeast 10 to
15 knots. a chance of showers early, then showers likely from
late evening on. waves 1 to 3 feet. 
.wednesday...northeast winds 5 to 15 knots becoming west. a
chance of showers in the morning. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.wednesday night...southwest winds 5 to 10 knots becoming south
and increasing to 15 to 20 knots. rain showers likely overnight.
waves 2 feet or less. 
.thursday...south winds to 30 knots becoming west. rain showers.
waves 2 to 4 feet building to 6 to 9 feet. waves occasionally
around 11 feet. 
.friday...west gales to 35 knots becoming northwest and
diminishing to 15 to 20 knots. rain and snow showers likely
during the day, then a chance of rain and snow showers friday
night. waves 6 to 9 feet subsiding to 3 to 5 feet. waves
occasionally around 11 feet. 
.saturday...west winds 5 to 15 knots becoming southwest. waves
2 to 4 feet subsiding to 1 to 2 feet. 

$$