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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est sat jan 10 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 30.2 inch high draped across the central and eastern
great lakes will give way to another surface low that will deepen
to 29.6 inches while pushing from the upper great lakes and ohio 
valley to lower michigan today, then to southern ontario tonight and 
southern quebec sunday. in the process, this low will swing an 
initial cold front across the lake tonight, followed by a secondary 
cold front on sunday. a 30.4 inch high building over the southeast 
will then ridge north across the lake monday into tuesday, before a 
29.2 inch low pushes across ontario and quebec later tuesday into 
wednesday.


loz063>065-102200-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am est sat jan 10 2026

...gale warning in effect from 7 pm est this evening through
sunday evening...

.this afternoon...east winds 10 to 15 knots increasing to 15 to
25 knots. a chance of rain late. waves 1 to 3 feet building to
3 to 6 feet. 
.tonight...southeast winds 15 to 25 knots becoming southwest and
increasing to 35 knot gales after midnight. rain in the evening,
then a chance of rain showers after midnight. waves 3 to 6 feet
building to 11 to 15 feet. waves occasionally around 19 feet. 
.sunday...southwest gales to 35 knots becoming west. a chance of
snow showers in the morning, then lake effect snow showers likely
in the afternoon. waves 10 to 15 feet building to 12 to 16 feet.
waves occasionally around 20 feet. 
.sunday night...northwest winds to 30 knots becoming west. snow
showers likely in the evening, then a chance of snow showers
overnight. waves 10 to 15 feet subsiding to 7 to 10 feet. waves
occasionally around 19 feet. 
.monday...southwest winds to 30 knots becoming west 15 to
25 knots. a chance of snow showers. waves 5 to 9 feet building to
6 to 10 feet. waves occasionally around 13 feet. 
.tuesday...southwest winds 15 to 25 knots. a chance of rain
showers during the day, then rain showers likely tuesday night.
waves 4 to 7 feet. waves occasionally around 9 feet. 
.wednesday...southwest winds 15 to 20 knots becoming north. rain
showers likely during the day, then a chance of snow showers
wednesday night. waves 3 to 6 feet subsiding to 2 to 4 feet. 

$$
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