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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est sat nov 8 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...29.9 inch high pressure over ontario province will 
briefly build southeast across the lake today. another 29.8 inch 
surface low will deepen to 29.5 inches as it tracks from the ohio 
valley to new england sunday and monday, then will strengthen 
further while moving north across quebec tuesday. another 29.2 inch 
low will move north of the great lakes region wednesday.


loz062-082200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est sat nov 8 2025

.this afternoon...northwest winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.tonight...north winds 5 to 15 knots becoming northeast 15 to
20 knots. rain after midnight. waves 1 to 2 feet building to 2 to
4 feet. 
.sunday...northeast winds to 30 knots. rain in the morning, then
rain and snow in the afternoon. waves 5 to 8 feet. waves
occasionally around 10 feet. 
.sunday night...north winds 15 to 25 knots. rain and snow in the
evening, then snow overnight. waves 5 to 8 feet subsiding to 3 to
5 feet. waves occasionally around 10 feet. 
.monday...northwest winds 15 to 25 knots becoming west. a chance
of snow showers during the day, then snow showers likely monday
night. waves 3 to 6 feet. 
.tuesday...west gales to 35 knots becoming southwest and
diminishing to 30 knots. snow and rain showers likely during the
day, then rain showers tuesday night. waves 7 to 10 feet building
to 8 to 12 feet. waves occasionally around 15 feet. 
.wednesday...west gales to 40 knots diminishing to 30 knots.
showers. waves 10 to 14 feet subsiding to 7 to 10 feet. waves
occasionally around 18 feet. 

$$

fzus61 kbuf 081502
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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est sat nov 8 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...29.9 inch high pressure over ontario province will 
briefly build southeast across the lake today. another 29.8 inch 
surface low will deepen to 29.5 inches as it tracks from the ohio 
valley to new england sunday and monday, then will strengthen 
further while moving north across quebec tuesday. another 29.2 inch 
low will move north of the great lakes region wednesday.


loz063>065-082200-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am est sat nov 8 2025

.this afternoon...northwest winds 15 to 20 knots diminishing to
5 to 15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.tonight...north winds 5 to 15 knots becoming northeast 15 to
20 knots. a chance of rain late in the evening. rain after
midnight. waves 2 feet or less building to 2 to 4 feet. 
.sunday...northeast winds 15 to 25 knots increasing to 30 knots.
rain. waves 3 to 6 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 
.sunday night...northeast winds to 30 knots becoming northwest
and diminishing to 15 to 20 knots. rain and snow. waves 5 to
8 feet subsiding to 3 to 6 feet. waves occasionally around
10 feet. 
.monday...northwest winds 15 to 25 knots becoming west. snow
showers with rain showers likely during the day, then snow
showers monday night. waves 3 to 5 feet building to 5 to 8 feet.
waves occasionally around 10 feet. 
.tuesday...west gales to 35 knots becoming southwest and
diminishing to 30 knots. rain and snow showers. waves 10 to
14 feet. waves occasionally around 18 feet. 
.wednesday...southwest gales to 35 knots becoming west and
diminishing to 30 knots. rain showers. waves 9 to 12 feet
building to 10 to 15 feet. waves occasionally around 19 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1002 am est sat nov 8 2025


slz022-082200-
saint lawrence river from cape vincent to ogdensburg-
1002 am est sat nov 8 2025

.this afternoon...northwest winds 10 knots or less becoming north.
partly to mostly sunny. 
.tonight...northeast winds 10 knots or less. a chance of snow
after midnight. snow and rain likely late. 
.sunday...northeast winds 5 to 15 knots. snow and rain. 
.sunday night...northeast winds 5 to 15 knots becoming northwest.
rain, snow and freezing rain in the evening, then snow, rain and
freezing rain overnight. 
.monday...northwest winds 5 to 10 knots becoming west. snow
showers. 
.tuesday...west winds 5 to 15 knots becoming southwest. snow
showers during the day, then snow and rain showers tuesday night.
.wednesday...southwest winds 5 to 15 knots becoming west. rain
and snow showers during the day, then rain showers wednesday
night. 

$$