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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est tue jan 20 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 29.5 inch low over quebec this evening will deepen to 
29.3 inches as it moves to labrador by tuesday afternoon. meanwhile, 
a 30.6 inch high will build from the tennessee valley tuesday to off 
the mid atlantic coast wednesday. another 29.8 inch low will move 
from the upper great lakes wednesday to southern quebec by thursday, 
then to the canadian maritimes by friday. an arctic cold front will 
move across the lower great lakes friday.


loz062-210400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est tue jan 20 2026

...heavy freezing spray warning in effect until 1 am est
wednesday...

.tonight...west winds to 30 knots becoming southwest. freezing
spray. a chance of snow showers early. a chance of snow showers
after midnight. waves 9 to 12 feet subsiding to 6 to 10 feet.
waves occasionally around 15 feet. 
.wednesday...south winds to 30 knots becoming southwest and
increasing to 35 knot gales. snow showers. waves 4 to 7 feet
building to 8 to 11 feet. waves occasionally around 14 feet. 
.wednesday night...southwest winds to 30 knots becoming west.
snow showers with rain showers likely in the evening, then snow
showers likely overnight. waves 8 to 11 feet. waves occasionally
around 14 feet. 
.thursday...west winds to 30 knots increasing to 35 knot gales. a
chance of snow showers. waves 8 to 12 feet building to 10 to
13 feet. waves occasionally around 16 feet. 
.thursday night...west gales to 35 knots. lake effect snow
showers likely. waves 10 to 14 feet. waves occasionally around
18 feet. 
.friday...west winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. lake effect snow showers likely.
waves 9 to 13 feet subsiding to 4 to 7 feet. waves occasionally
around 16 feet. 
.saturday...northwest winds 10 to 15 knots becoming northeast. a
chance of snow showers. waves 3 to 5 feet subsiding to 2 to
3 feet. 
.sunday...east winds 10 to 15 knots becoming northwest. 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
402 pm est tue jan 20 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 29.5 inch low over quebec this evening will deepen to 
29.3 inches as it moves to labrador by tuesday afternoon. meanwhile, 
a 30.6 inch high will build from the tennessee valley tuesday to off 
the mid atlantic coast wednesday. another 29.8 inch low will move 
from the upper great lakes wednesday to southern quebec by thursday, 
then to the canadian maritimes by friday. an arctic cold front will 
move across the lower great lakes friday.


loz063>065-210400-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm est tue jan 20 2026

...heavy freezing spray warning in effect until 1 am est
wednesday...

.tonight...west winds to 30 knots becoming southwest. freezing
spray. snow this evening, then a chance of snow showers after
midnight. waves 10 to 14 feet subsiding to 7 to 11 feet. waves
occasionally around 18 feet. 
.wednesday...southwest winds to 30 knots becoming south. a chance
of snow showers early, then snow showers from late morning on.
waves 5 to 9 feet building to 7 to 10 feet. waves occasionally
around 13 feet. 
.wednesday night...southwest winds to 30 knots. snow showers.
waves 7 to 10 feet building to 9 to 13 feet. waves occasionally
around 16 feet. 
.thursday...west winds to 30 knots increasing to 40 knot gales.
lake effect snow. waves 10 to 15 feet. waves occasionally around
19 feet. 
.thursday night...west gales to 35 knots. lake effect snow. waves
11 to 15 feet. waves occasionally around 19 feet. 
.friday...west gales to 35 knots becoming northwest and
diminishing to 30 knots. lake effect snow during the day, then
lake effect snow showers likely friday night. waves 10 to 15 feet
subsiding to 7 to 10 feet. waves occasionally around 19 feet. 
.saturday...northwest winds 15 to 20 knots becoming east 10 to
15 knots. a chance of snow showers. waves 3 to 6 feet subsiding
to 2 to 4 feet. 
.sunday...east winds 10 to 15 knots becoming north. a chance of
snow showers. waves 2 to 4 feet building to 3 to 5 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
326 pm est tue jan 20 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 warm front moves across lake erie late tonight, followed by a cold 
front wednesday, with a trough averaging 29.90 inches wednesday 
night and another cold front early thursday. pressure on the 
increase friday with high pressure building to 30.70 inches over 
lake erie saturday.


lez061-167>169-210315-
ripley to buffalo ny extending from 5nm 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-
326 pm est tue jan 20 2026

...heavy freezing spray warning in effect until 10 pm est this
evening...

.tonight...southwest winds 15 to 25 knots becoming south. heavy
freezing spray this evening. snow early, then a chance of snow. a
slight chance of snow late. waves 5 to 9 feet subsiding to 3 to
6 feet. waves occasionally around 11 feet. 
.wednesday...south winds 15 to 25 knots becoming southwest. snow
in the morning, then a chance of snow early in the afternoon. a
slight chance of snow late. waves 3 to 6 feet building to 5 to
8 feet. waves occasionally around 10 feet. 
.wednesday night...southwest winds 15 to 25 knots becoming west
to 30 knots. snow likely. waves 6 to 9 feet. waves occasionally
around 11 feet. 
.thursday...west winds to 30 knots. snow likely. waves 6 to
10 feet. waves occasionally around 13 feet. 
.thursday night...west winds to 30 knots. a chance of snow. heavy
freezing spray overnight. waves 6 to 10 feet subsiding to 5 to
8 feet. waves occasionally around 13 feet. 
.friday...west winds 15 to 25 knots becoming northwest. heavy
freezing spray during the day. a chance of snow. waves 5 to
8 feet subsiding to 2 to 4 feet. waves occasionally around
10 feet. 
.saturday...northwest winds 5 to 15 knots becoming east. a chance
of snow saturday night. waves 1 to 3 feet. 
.sunday...east winds 10 to 15 knots becoming northwest. a chance
of snow. waves 1 to 3 feet. 

$$