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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est mon nov 10 2025

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 29.4 inch low along the new england coast this evening 
will move north across quebec overnight through tuesday while 
deepening to 28.9 inches. this low will then exit northeast across 
labrador wednesday. another 29.2 inch low will develop south of nova 
scotia thursday, then move north across the canadian maritimes 
friday, remaining in place through saturday. meanwhile, a 30.1 inch 
high will then build from northwest ontario province friday to james 
bay and the lower great lakes by saturday.


loz062-111000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est mon nov 10 2025

.rest of tonight...northwest winds 15 to 20 knots. snow likely
late this evening, then a chance of snow showers after midnight.
waves 3 to 5 feet building to 4 to 7 feet. waves occasionally
around 9 feet. 
.tuesday...northwest winds to 30 knots becoming west. a chance of
snow in the morning, then a chance of rain and snow early in the
afternoon. a chance of rain late. waves 5 to 8 feet building to
6 to 9 feet. waves occasionally around 11 feet. 
.tuesday night...west winds to 30 knots becoming southwest. rain.
waves 6 to 9 feet. waves occasionally around 11 feet. 
.wednesday...southwest winds to 30 knots becoming west. rain.
waves 6 to 10 feet. waves occasionally around 13 feet. 
.wednesday night...west winds to 30 knots. rain. waves 6 to
9 feet. waves occasionally around 11 feet. 
.thursday...west winds to 30 knots diminishing to 15 to 20 knots.
showers likely during the day, then a chance of showers thursday
night. waves 6 to 9 feet subsiding to 3 to 5 feet. waves
occasionally around 11 feet. 
.friday...northwest winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet. 
.saturday...northeast winds 5 to 15 knots becoming southeast. a
chance of rain showers saturday night. waves 1 to 3 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est mon nov 10 2025

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 29.4 inch low along the new england coast this evening 
will move north across quebec overnight through tuesday while 
deepening to 28.9 inches. this low will then exit northeast across 
labrador wednesday. another 29.2 inch low will develop south of nova 
scotia thursday, then move north across the canadian maritimes 
friday, remaining in place through saturday. meanwhile, a 30.1 inch 
high will then build from northwest ontario province friday to james 
bay and the lower great lakes by saturday.


loz063>065-111000-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm est mon nov 10 2025

.rest of tonight...northwest winds 15 to 25 knots. a chance of
snow showers. waves 3 to 6 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 
.tuesday...northwest winds to 30 knots becoming west. snow likely
in the morning, then a chance of snow and rain early in the
afternoon. a chance of rain late. waves 6 to 10 feet building to
8 to 12 feet. waves occasionally around 15 feet. 
.tuesday night...west winds to 30 knots becoming southwest. rain
in the evening, then rain and snow overnight. waves 7 to 11 feet.
waves occasionally around 14 feet. 
.wednesday...southwest winds to 30 knots becoming west. rain and
snow in the morning, then rain in the afternoon. waves 6 to
10 feet building to 8 to 11 feet. waves occasionally around
14 feet. 
.wednesday night...west winds to 30 knots. rain. waves 8 to
12 feet. waves occasionally around 15 feet. 
.thursday...west winds to 30 knots becoming northwest 15 to
25 knots. rain showers. waves 8 to 11 feet subsiding to 4 to
7 feet. waves occasionally around 14 feet. 
.friday...northwest winds 10 to 15 knots becoming north. a chance
of rain showers during the day. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.saturday...northeast winds 5 to 15 knots becoming southeast. a
chance of rain showers saturday night. 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
1002 pm est mon nov 10 2025


slz022-111000-
saint lawrence river from cape vincent to ogdensburg-
1002 pm est mon nov 10 2025

.overnight...west winds 5 to 10 knots. a chance of snow
showers. 
.tuesday...west winds 5 to 15 knots. a chance of snow showers
early, then snow. 
.tuesday night...west winds 5 to 15 knots becoming southwest.
snow likely in the evening, then snow and rain overnight. 
.wednesday...south winds 5 to 15 knots becoming southwest. rain
and snow. 
.wednesday night...southwest winds 5 to 10 knots becoming west.
rain in the evening, then rain with snow likely overnight. 
.thursday...west winds 10 knots or less. rain and snow showers
likely during the day, then a chance of rain and snow showers
thursday night. 
.friday...northwest winds less than 10 knots becoming north. a
chance of snow and rain showers during the day. 
.saturday...north winds less than 10 knots becoming southeast. a
chance of snow showers saturday night. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
915 pm est mon nov 10 2025

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 trough averaging 30.00 inches lingers over lake erie through
tuesday morning. a warm front lifts northeast across lake erie
tuesday night, followed by a cold front wednesday. high pressure
30.20 inches builds into the ohio valley thursday.


lez061-166>169-110915-
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-
915 pm est mon nov 10 2025

...gale watch in effect from tuesday evening through late tuesday
night...

.rest of tonight...northwest winds to 30 knots becoming west.
snow showers likely. waves 6 to 10 feet. waves occasionally
around 13 feet. 
.tuesday...west winds to 30 knots. snow showers likely with a
slight chance of rain showers early, then a chance of rain and
snow showers late in the morning. a chance of rain showers in the
afternoon. waves 8 to 11 feet. waves occasionally around 14 feet.
.tuesday night...southwest gales to 35 knots. rain. waves 9 to
13 feet. waves occasionally around 16 feet. 
.wednesday...southwest winds to 30 knots becoming west. rain.
waves 8 to 11 feet. waves occasionally around 14 feet. 
.wednesday night...west winds to 30 knots. a chance of rain.
waves 6 to 10 feet subsiding to 5 to 8 feet. waves occasionally
around 13 feet. 
.thursday...west winds 15 to 25 knots diminishing to 10 to
15 knots. waves 4 to 7 feet subsiding to 2 to 4 feet. waves
occasionally around 9 feet. 
.friday...west winds 5 to 10 knots becoming east. a chance of
rain friday night. waves 1 to 3 feet. 
.saturday...east winds 10 to 15 knots becoming south 15 to
20 knots. a chance of rain saturday night. waves 1 to 3 feet
building to 2 to 4 feet. 

$$