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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1013 am edt tue apr 14 2026


slz022-024-142100-
saint lawrence river from cape vincent to saint regis
1013 am edt tue apr 14 2026

.rest of today...east winds 5 to 15 knots becoming southwest.
showers late this morning, then showers with a chance of
thunderstorms this afternoon. 
.tonight...northwest winds 5 to 15 knots becoming northeast less
than 10 knots. a chance of showers in the evening. 
.wednesday...east winds less than 10 knots becoming north.
showers.
.wednesday night...east winds less than 10 knots becoming south.
a chance of showers in the evening, then showers likely
overnight. 
.thursday...south winds 10 knots or less becoming west. showers
likely. 
.friday...north winds 10 knots or less becoming east. a chance of
showers. 
.saturday...southeast winds 5 to 15 knots becoming south. a
chance of showers during the day, then showers likely saturday
night. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1011 am edt tue apr 14 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 29.6 inch low near lake huron will move to the the 
saint lawrence valley by this evening while weakening. another 29.6 
inch low will move into the central great lakes wednesday night 
before reaching southern quebec thursday night, then drifting off 
the new england coast by friday night. a 30.0 inch high is then 
forecast to build from the central great lakes friday to the lower 
great lakes saturday morning, then off the east coast saturday night.


loz063>065-142100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1011 am edt tue apr 14 2026

.rest of today...southeast winds 10 to 15 knots becoming
southwest 15 to 20 knots. areas of fog. showers with a chance of
thunderstorms. waves 2 feet or less building to 2 to 4 feet. 
.tonight...west winds 5 to 15 knots becoming east. a chance of
showers and thunderstorms late. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.wednesday...southeast winds 5 to 10 knots becoming west. showers
with a chance of thunderstorms. waves 2 feet or less. 
.wednesday night...southwest winds 5 to 10 knots. showers likely
with a chance of thunderstorms. waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots becoming west. showers
likely during the day, then a chance of showers thursday night.
waves 2 feet or less. 
.friday...northwest winds 5 to 10 knots becoming east. a chance
of showers. waves 2 feet or less. 
.saturday...southeast winds 10 to 15 knots becoming southwest and
increasing to 30 knots. a chance of showers during the day, then
showers likely saturday night. waves 1 to 3 feet building to 4 to
7 feet. waves occasionally around 9 feet. 

winds and waves higher in and near thunderstorms.

$$