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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est sat jan 17 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 29.5 inch low will track to southwestern quebec by 
this afternoon while weakening to 29.7 inches, and will then 
continue to push east across southern quebec tonight. a 29.6 inch 
low will then move from near lake superior sunday night to central 
quebec by later monday night, while pushing an arctic cold front 
across the lake monday afternoon. a 30.5 inch high will then slide 
east across the southeastern states tuesday and tuesday night, with 
a 29.8 inch low then making its way across the central great lakes 
wednesday.


loz063>065-172200-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am est sat jan 17 2026

...gale watch in effect from monday morning through late tuesday
night...

.this afternoon...south winds 15 to 20 knots becoming southwest. a
chance of snow showers, then a chance of rain showers late. waves
2 to 4 feet. 
.tonight...southwest winds 15 to 25 knots increasing to 30 knots.
a chance of rain and snow showers early, then a chance of snow
showers from late evening on. waves 3 to 6 feet building to 7 to
10 feet. waves occasionally around 13 feet. 
.sunday...southwest winds 15 to 25 knots. a chance of snow
showers. waves 7 to 10 feet subsiding to 5 to 8 feet. waves
occasionally around 13 feet. 
.sunday night...southwest winds 15 to 25 knots increasing to
30 knots. a chance of lake effect snow showers. waves 3 to 6 feet
building to 5 to 8 feet. waves occasionally around 10 feet. 
.monday...southwest gales to 35 knots becoming west and
increasing to 45 knots. heavy freezing spray. lake effect snow
showers. waves 9 to 12 feet building to 15 to 20 feet. waves
occasionally around 26 feet. 
.tuesday...west gales to 35 knots becoming southwest. heavy
freezing spray during the day. lake effect snow showers. waves
13 to 17 feet subsiding to 10 to 15 feet. waves occasionally
around 22 feet. 
.wednesday...south winds to 30 knots becoming southwest and
increasing to 35 knot gales. snow showers likely. waves 6 to
9 feet subsiding to 5 to 8 feet. waves occasionally around
11 feet. 

$$