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open lake forecast for lake ontario
national weather service buffalo ny
402 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 
today 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.


loz062-211600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est wed jan 21 2026

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

.today...south winds to 30 knots becoming southwest. snow showers
from late morning on. 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. 

$$

fzus61 kbuf 210902
glflo 
expires:202601211600;;259185

open lake forecast for lake ontario
national weather service buffalo ny
402 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 
today 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>065-211600-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am est wed jan 21 2026

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

.today...south winds to 30 knots. a chance of snow showers late
this morning. snow showers this afternoon. waves 5 to 9 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
253 am 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 later today. 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 into saturday.


lez061-166>169-211530-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
253 am est wed jan 21 2026

.today...south winds 15 to 25 knots becoming southwest to
30 knots. a chance of snow early, then snow. a chance of snow
late. waves in ice free areas 3 to 6 feet building to 5 to
8 feet. waves in ice free areas occasionally around 10 feet. 
.tonight...southwest winds to 30 knots. a chance of snow. waves
5 to 9 feet. waves occasionally around 11 feet. 
.thursday...west winds to 30 knots. a chance of snow in the
morning. waves 8 to 12 feet. waves occasionally around 15 feet. 
.thursday night...west winds to 30 knots. heavy freezing spray
overnight. waves 6 to 10 feet subsiding to 5 to 8 feet. waves
occasionally around 13 feet. 
.friday...west winds to 30 knots becoming northwest 15 to
25 knots. heavy freezing spray during the day. waves 5 to 9 feet
subsiding to 2 to 4 feet. waves occasionally around 11 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 northwest. a chance
of snow. waves 1 to 3 feet. 

wave heights are for ice free areas.

$$