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open lake forecast for lake ontario
national weather service buffalo ny
402 am 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 today to the 
canadian maritimes friday. a series of cold fronts will move through 
the lower great lakes, with the final arctic front crossing the lake 
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.


loz063>065-221600-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am est thu jan 22 2026

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

.today...west winds to 30 knots increasing to 40 knot gales. a
chance of snow showers early, then lake effect snow from late
morning on. waves 9 to 13 feet building to 14 to 18 feet. waves
occasionally around 23 feet. 
.tonight...west gales to 40 knots diminishing to 35 knots. lake
effect snow. waves 13 to 18 feet subsiding to 12 to 16 feet.
waves occasionally around 23 feet. 
.friday...west gales to 40 knots diminishing to 35 knots. lake
effect snow. waves 14 to 19 feet. waves occasionally around
24 feet. 
.friday night...northwest gales to 35 knots diminishing to 15 to
20 knots overnight. lake effect snow showers in the evening, then
a chance of snow showers overnight. waves 13 to 17 feet subsiding
to 4 to 7 feet. waves occasionally around 22 feet. 
.saturday...northwest winds 15 to 20 knots becoming east 5 to
15 knots. a chance of snow showers. waves 3 to 5 feet subsiding
to 1 to 3 feet. 
.sunday...east winds 15 to 20 knots becoming northeast. snow
showers likely. waves 3 to 6 feet. 
.monday...north winds 15 to 20 knots becoming west and increasing
to 30 knots. snow showers likely during the day, then a chance of
snow showers monday night. waves 3 to 5 feet building to 7 to
10 feet. waves occasionally around 13 feet. 

$$