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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est wed jan 21 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 29.8 inch low will move from the upper great lakes to 
central quebec through thursday, then to the canadian maritimes 
friday. this low will push an arctic cold front across the lake 
thursday morning, followed by a reinforcing secondary front late 
thursday night into friday morning. at the same time, a large 31.1 
inch high will build from northwestern canada to the northern plains 
states, with the high then weakening to 30.7 inches as it slides 
eastward across the great lakes and new england over the weekend.


loz062-212200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est wed jan 21 2026

...gale watch in effect from late tonight through friday
evening...

.rest of today...south winds to 30 knots becoming southwest. snow
showers. waves 4 to 7 feet building to 8 to 11 feet. waves
occasionally around 14 feet. 
.tonight...southwest winds to 30 knots. snow showers through the
early overnight, then a chance of snow showers late. waves 8 to
11 feet. waves occasionally around 14 feet. 
.thursday...southwest winds to 30 knots becoming west and
increasing to 40 knot gales. a chance of snow showers. waves 8 to
11 feet building to 10 to 15 feet. waves occasionally around
19 feet. 
.thursday night...west gales to 35 knots. a chance of snow
showers in the evening, then lake effect snow showers likely
overnight. waves 10 to 14 feet. waves occasionally around
18 feet. 
.friday...west gales to 35 knots becoming northwest and
diminishing to 15 to 20 knots. lake effect snow showers likely.
waves 10 to 14 feet subsiding to 4 to 7 feet. waves occasionally
around 18 feet. 
.saturday...northwest winds 10 to 15 knots becoming northeast. a
chance of snow showers. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.sunday...east winds 15 to 20 knots becoming north 10 to
15 knots. a chance of snow showers. waves 2 to 4 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est wed jan 21 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 29.8 inch low will move from the upper great lakes to 
central quebec through thursday, then to the canadian maritimes 
friday. this low will push an arctic cold front across the lake 
thursday morning, followed by a reinforcing secondary front late 
thursday night into friday morning. at the same time, a large 31.1 
inch high will build from northwestern canada to the northern plains 
states, with the high then weakening to 30.7 inches as it slides 
eastward across the great lakes and new england over the weekend.


loz063>065-212200-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am est wed jan 21 2026

...gale watch in effect from late tonight through friday
evening...

.rest of today...south winds to 30 knots. a chance of snow
showers late this morning, then snow showers this afternoon.
waves 5 to 8 feet building to 7 to 10 feet. waves occasionally
around 13 feet. 
.tonight...south winds to 30 knots becoming southwest. snow
showers likely. waves 7 to 10 feet building to 9 to 13 feet.
waves occasionally around 16 feet. 
.thursday...southwest gales to 35 knots becoming west to
40 knots. a chance of lake effect snow showers in the morning,
then lake effect snow showers likely in the afternoon. waves
10 to 15 feet building to 13 to 18 feet. waves occasionally
around 23 feet. 
.thursday night...west gales to 40 knots diminishing to 35 knots.
lake effect snow showers. waves 14 to 18 feet. waves occasionally
around 23 feet. 
.friday...west gales to 35 knots becoming northwest and
diminishing to 30 knots. lake effect snow showers. waves 13 to
17 feet subsiding to 7 to 10 feet. waves occasionally around
22 feet. 
.saturday...northwest winds 15 to 20 knots becoming northeast
10 to 15 knots. a chance of snow showers. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.sunday...east winds 10 to 15 knots becoming northeast. a chance
of snow showers. waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
324 pm est wed jan 21 2026

for waters beyond five nautical miles of shore on lake erie

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 cold front will across lake erie this evening with a 
reinforcing cold front later tonight. a trough averaging 29.90 
inches will linger on the lake tonight. another arctic cold front 
will move across the area late thursday night into early friday 
morning. a strong high pressure of 30.70 inches will build into 
the great lakes region friday and persist through early next week.


lez061-169-220330-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
324 pm est wed jan 21 2026

.tonight...southwest winds to 30 knots. snow showers likely this
evening, then a chance of snow showers after midnight. waves in
ice free areas 5 to 9 feet building to 7 to 10 feet. waves in ice
free areas occasionally around 13 feet. 
.thursday...west winds to 30 knots. a chance of snow showers.
waves 7 to 11 feet. waves occasionally around 14 feet. 
.thursday night...west winds to 30 knots. heavy freezing spray
overnight. a chance of snow showers overnight. waves 6 to
10 feet. waves occasionally around 13 feet. 
.friday...west winds to 30 knots. heavy freezing spray. waves
5 to 9 feet. waves occasionally around 11 feet. 
.friday night...west winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. heavy freezing spray in the
evening. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.saturday...northwest winds 5 to 15 knots becoming east. a chance
of snow saturday night. waves 2 feet or less. 
.sunday...east winds 10 to 15 knots becoming north. snow likely
during the day, then a chance of snow sunday night. waves 1 to
3 feet. 
.monday...northwest winds 15 to 20 knots becoming west. waves
2 to 4 feet building to 3 to 6 feet. 

wave heights are for ice free areas.

$$