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ON- Lake Ontario

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open lake forecast for lake ontario
national weather service buffalo ny
1002 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 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.


loz062-222200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est thu jan 22 2026

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

.rest of today...west winds to 30 knots increasing to 35 knot
gales. a chance of snow showers. waves 8 to 11 feet building to
12 to 16 feet. waves occasionally around 20 feet. 
.tonight...west winds to 30 knots increasing to 35 knot gales. a
chance of snow showers in the evening, then lake effect snow
showers likely after midnight. waves 10 to 15 feet. waves
occasionally around 19 feet. 
.friday...west gales to 35 knots becoming northwest and
diminishing to 30 knots in the afternoon. lake effect snow
showers likely in the morning, then lake effect snow in the
afternoon. waves 10 to 15 feet. waves occasionally around
19 feet. 
.friday night...northwest winds to 30 knots diminishing to 15 to
20 knots. lake effect snow showers in the evening, then a chance
of snow showers overnight. waves 9 to 12 feet subsiding to 3 to
5 feet. waves occasionally around 15 feet. 
.saturday...northwest winds 5 to 15 knots becoming east. a chance
of snow showers saturday night. waves 1 to 3 feet. 
.sunday...east winds 15 to 25 knots becoming northeast. snow
showers likely. waves 3 to 5 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.monday...north winds 15 to 25 knots becoming west to 30 knots. a
chance of snow showers during the day. waves 5 to 8 feet building
to 6 to 9 feet. waves occasionally around 11 feet. 

$$
fzus61 kbuf 221502
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
1002 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 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.


loz063>065-222200-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am est thu jan 22 2026

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

.rest of today...west gales to 35 knots increasing to 40 knots. a
chance of lake effect snow showers late this morning, then lake
effect snow this afternoon. waves 10 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
25 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. 

$$
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