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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.


loz062-142100-
lake ontario open waters from the niagara river to hamlin beach-
1011 am edt tue apr 14 2026

.rest of today...south winds 15 to 20 knots becoming southwest.
areas of fog. showers with a chance of thunderstorms late this
morning, then a chance of showers and thunderstorms this
afternoon. waves 1 to 2 feet building to 2 to 4 feet. 
.tonight...west winds 5 to 15 knots becoming east. showers with a
chance of thunderstorms late. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.wednesday...southeast winds 10 to 15 knots becoming southwest.
showers with a chance of thunderstorms in the morning, then
showers likely in the afternoon. waves 1 to 2 feet. 
.wednesday night...southwest winds 5 to 15 knots. showers with a
chance of thunderstorms. waves 1 to 2 feet. 
.thursday...southwest winds 10 to 15 knots becoming west.
showers. waves 1 to 3 feet. 
.friday...northwest winds 5 to 10 knots becoming east. a chance
of showers during the day. waves 2 feet or less. 
.saturday...southeast winds 5 to 15 knots becoming southwest and
increasing to 15 to 25 knots. a chance of showers during the day,
then showers likely saturday night. waves 1 to 3 feet building to
3 to 6 feet. 

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.

$$

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open lake forecast for lake erie
national weather service cleveland oh
938 am edt tue apr 14 2026

for waters beyond five nautical miles of shore on lake erie

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 stalled front will remain draped across the lower great lakes
region through midweek bringing periods of unsettled weather.
several areas of low pressure will track along this boundary
including low pressure 29.60 inches on thursday. a ridge averaging
30.00 inches will briefly build over the region on friday before
another area of low pressure 29.50 inches tracks across the great
lakes on saturday.


lez061-166>169-142015-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
938 am edt tue apr 14 2026

.rest of today...southwest winds 15 to 20 knots. a chance of
showers and thunderstorms late this morning, then a chance of
thunderstorms with a slight chance of showers early this
afternoon. a slight chance of showers and thunderstorms late.
waves 3 to 5 feet subsiding to 2 to 4 feet. 
.tonight...southwest winds 10 to 15 knots. a chance of showers
and thunderstorms through the early overnight, then showers
likely with a chance of thunderstorms late. waves 2 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots. showers likely with
a chance of thunderstorms in the morning, then showers in the
afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday night...southwest winds 5 to 15 knots. showers with a
chance of thunderstorms. waves 1 to 2 feet. 
.thursday...southwest winds 5 to 15 knots. showers likely during
the day, then showers likely with a chance of thunderstorms
thursday night. waves 1 to 3 feet. 
.friday...west winds 5 to 15 knots becoming southeast. waves 1 to
3 feet. 
.saturday...south winds 15 to 20 knots becoming west. showers
likely. waves 2 to 4 feet building to 3 to 6 feet. 

winds and waves higher in and near thunderstorms.

$$