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


loz062-202200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est tue jan 20 2026

...heavy freezing spray warning in effect through late tonight...

.rest of today...west winds to 30 knots. light freezing spray. a
chance of snow showers late this morning, then lake effect snow
showers likely this afternoon. waves 9 to 13 feet. waves
occasionally around 16 feet. 
.tonight...west winds to 30 knots becoming southwest. light
freezing spray in the evening. a chance of snow showers early. a
chance of snow showers after midnight. waves 8 to 12 feet
subsiding to 5 to 8 feet. waves occasionally around 15 feet. 
.wednesday...south winds 15 to 25 knots becoming southwest to
30 knots. snow showers. waves 3 to 6 feet building to 5 to
9 feet. waves occasionally around 11 feet. 
.wednesday night...southwest winds to 30 knots becoming west.
snow showers. waves 7 to 11 feet building to 9 to 12 feet. waves
occasionally around 15 feet. 
.thursday...west winds to 30 knots. a chance of snow showers
during the day, then snow showers likely thursday night. waves
8 to 11 feet building to 10 to 14 feet. waves occasionally around
18 feet. 
.friday...west winds to 30 knots becoming northwest 15 to
25 knots. snow showers likely. waves 9 to 13 feet subsiding to
4 to 7 feet. waves occasionally around 16 feet. 
.saturday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. a chance of snow showers. waves 2 to 4 feet. 

$$

fzus61 kbuf 201502
glflo 
expires:202601202200;;216900

open lake forecast for lake ontario
national weather service buffalo ny
1002 am 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>065-202200-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am est tue jan 20 2026

...heavy freezing spray warning in effect through late tonight...

.rest of today...west winds to 30 knots. light freezing spray.
lake effect snow. waves 10 to 15 feet. waves occasionally around
19 feet. 
.tonight...west winds to 30 knots becoming southwest. light
freezing spray in the evening. lake effect snow early, then a
chance of lake effect snow showers from late evening on. waves
10 to 15 feet subsiding to 7 to 11 feet. waves occasionally
around 19 feet. 
.wednesday...south winds to 30 knots. snow showers likely. waves
5 to 8 feet. waves occasionally around 10 feet. 
.wednesday night...south winds to 30 knots becoming southwest.
snow showers likely. waves 7 to 11 feet building to 10 to
14 feet. waves occasionally around 18 feet. 
.thursday...west winds to 30 knots. snow showers likely. waves
10 to 14 feet building to 13 to 18 feet. waves occasionally
around 23 feet. 
.friday...west winds to 30 knots becoming northwest 15 to
25 knots. snow showers. waves 11 to 16 feet subsiding to 7 to
10 feet. waves occasionally around 20 feet. 
.saturday...northwest winds 15 to 20 knots becoming north. a
chance of snow showers. waves 3 to 6 feet subsiding to 1 to
3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
1007 am 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 ridge of high pressure averaging 30.40 inches builds east 
through the ohio valley today. low pressure of 29.90 inches 
develops over lake michigan and tracks northeast wednesday, 
deepening to 29.50 inches over quebec on thursday and pulling a 
cold front east across lake erie. another trough with pressure of 
30.10 inches will pull an arctic front east across lake erie on 
friday.


lez061-166>169-202115-
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-
1007 am est tue jan 20 2026

...heavy freezing spray warning in effect until 4 pm est
...

.this afternoon...west winds to 30 knots becoming southwest. heavy
freezing spray. snow. waves in ice free areas 7 to 10 feet. waves
in ice free areas occasionally around 13 feet. 
.tonight...southwest winds 15 to 25 knots becoming south. heavy
freezing spray in the evening. snow likely in the evening, then a
chance of snow after midnight. waves 6 to 10 feet subsiding to
3 to 6 feet. waves occasionally around 13 feet. 
.wednesday...south winds 15 to 25 knots becoming southwest to
30 knots. snow. waves 3 to 6 feet building to 6 to 9 feet. waves
occasionally around 11 feet. 
.wednesday night...southwest winds to 30 knots becoming west. a
chance of snow. waves 6 to 10 feet building to 8 to 11 feet.
waves occasionally around 14 feet. 
.thursday...west winds to 30 knots. waves 7 to 10 feet building
to 9 to 12 feet, then subsiding to 7 to 10 feet. waves
occasionally around 15 feet. 
.friday...west winds 15 to 25 knots becoming northwest. waves
5 to 9 feet subsiding to 2 to 4 feet. waves occasionally around
11 feet. 
.saturday...northwest winds 10 to 15 knots becoming north. a
chance of snow saturday night. waves 1 to 3 feet. 

wave heights are for ice free areas.

$$