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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est thu jan 22 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 will move from quebec to the canadian 
maritimes through friday. a series of cold fronts will move through 
the lower great lakes, with the final arctic front crossing the lake 
on friday. a strong 30.9 inch high will then build from the northern 
plains friday to the great lakes saturday, then northern new england 
by sunday. a 29.7 inch low over the southeast united states sunday 
morning will move to the mid atlantic sunday afternoon, then off the 
new england coast monday while deepening to 29.2 inches. the next 
weak area of low pressure of 29.9 inches will slide across the great 
lakes tuesday.


loz063>065-230400-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm est thu jan 22 2026

...gale warning in effect through friday evening...

.tonight...west gales to 40 knots diminishing to 35 knots. lake
effect snow showers. waves 13 to 18 feet subsiding to 12 to
16 feet. waves occasionally around 23 feet. 
.friday...west gales to 35 knots. lake effect snow showers. waves
12 to 17 feet. waves occasionally around 22 feet. 
.friday night...northwest gales to 35 knots diminishing to 15 to
25 knots overnight. lake effect snow showers in the evening, then
a chance of snow showers overnight. waves 11 to 15 feet subsiding
to 4 to 7 feet. waves occasionally around 19 feet. 
.saturday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of snow showers in the morning. waves 3 to
5 feet subsiding to 1 to 3 feet. 
.saturday night...northwest winds 10 knots or less becoming east
10 to 15 knots. a chance of snow showers in the evening, then a
chance of snow overnight. waves 2 feet or less. 
.sunday...east winds 15 to 20 knots becoming northeast. snow.
waves 3 to 6 feet building to 4 to 7 feet. waves occasionally
around 9 feet. 
.monday...north winds 15 to 25 knots becoming northwest. snow
showers likely during the day, then a chance of snow showers
monday night. waves 3 to 6 feet building to 6 to 9 feet. waves
occasionally around 11 feet. 
.tuesday...west winds 15 to 25 knots. a chance of snow showers.
waves 6 to 10 feet building to 7 to 11 feet. waves occasionally
around 14 feet. 

$$