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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est tue dec 30 2025

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...low pressure averaging 29.0 inches over georgian bay 
will move to northern new england and southern quebec today, then to 
the canadian maritimes by tuesday while deepening to 28.8 inches. a 
trough averaging 29.7 inches, will drop southward across the lake 
thursday and linger through friday.


loz062-310400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est tue dec 30 2025

...gale warning in effect until midnight est tonight...

.tonight...west gales to 35 knots. a chance of snow showers
early, then snow showers likely from late evening on. waves 10 to
14 feet subsiding to 6 to 10 feet. waves occasionally around
18 feet. 
.wednesday...west winds 20 to 25 knots. lake effect snow showers
likely through early afternoon, then lake effect snow showers
late. waves 5 to 8 feet. waves occasionally around 10 feet. 
.wednesday night...northwest winds 15 to 25 knots. lake effect
snow showers likely. waves 5 to 8 feet. waves occasionally around
10 feet. 
.thursday...northwest winds 15 to 25 knots becoming west. lake
effect snow showers likely. waves 5 to 8 feet. waves occasionally
around 10 feet. 
.thursday night...west winds 20 to 25 knots. lake effect snow
showers likely. waves 5 to 8 feet. waves occasionally around
10 feet. 
.friday...west winds 15 to 25 knots. snow showers likely during
the day, then a chance of snow showers friday night. waves 5 to
8 feet subsiding to 3 to 6 feet. waves occasionally around
10 feet. 
.saturday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of snow showers. waves 3 to 5 feet subsiding
to 1 to 3 feet. 
.sunday...northwest winds 10 to 15 knots becoming west. a chance
of snow showers sunday night. waves 1 to 2 feet. 

$$

fzus61 kbuf 302102
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est tue dec 30 2025

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...low pressure averaging 29.0 inches over georgian bay 
will move to northern new england and southern quebec today, then to 
the canadian maritimes by tuesday while deepening to 28.8 inches. a 
trough averaging 29.7 inches, will drop southward across the lake 
thursday and linger through friday.


loz063-310400-
lake ontario open waters from hamlin beach to sodus bay-
402 pm est tue dec 30 2025

...gale warning in effect until midnight est tonight...

.tonight...west gales to 35 knots. a chance of snow showers
early, then lake effect snow showers likely from late evening on.
waves 14 to 18 feet subsiding to 9 to 12 feet. waves occasionally
around 23 feet. 
.wednesday...west winds 15 to 25 knots. lake effect snow showers
likely. waves 7 to 10 feet subsiding to 5 to 8 feet. waves
occasionally around 13 feet. 
.wednesday night...northwest winds 15 to 20 knots. lake effect
snow showers likely. waves 5 to 8 feet. waves occasionally around
10 feet. 
.thursday...northwest winds 15 to 25 knots becoming west. lake
effect snow showers. waves 5 to 8 feet. waves occasionally around
10 feet. 
.thursday night...west winds 20 to 25 knots. lake effect snow
showers. waves 6 to 9 feet. waves occasionally around 11 feet. 
.friday...west winds 15 to 25 knots becoming northwest. lake
effect snow showers. waves 5 to 9 feet. waves occasionally around
11 feet. 
.saturday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. a chance of snow showers. waves 3 to 5 feet subsiding
to 2 to 4 feet. 
.sunday...northwest winds 10 to 15 knots becoming southwest. a
chance of snow showers. waves 2 to 3 feet. 

$$

fzus61 kbuf 302102
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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est tue dec 30 2025

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...low pressure averaging 29.0 inches over georgian bay 
will move to northern new england and southern quebec today, then to 
the canadian maritimes by tuesday while deepening to 28.8 inches. a 
trough averaging 29.7 inches, will drop southward across the lake 
thursday and linger through friday.


loz064-310400-
lake ontario open waters from sodus bay to mexico bay-
402 pm est tue dec 30 2025

...gale warning in effect until midnight est tonight...

.tonight...west gales to 40 knots diminishing to 30 knots. a
chance of snow showers this evening, then lake effect snow
showers likely after midnight. waves 15 to 19 feet subsiding to
9 to 13 feet. waves occasionally around 24 feet. 
.wednesday...west winds 15 to 25 knots. lake effect snow showers.
waves 7 to 10 feet subsiding to 5 to 8 feet. waves occasionally
around 13 feet. 
.wednesday night...northwest winds 15 to 20 knots. lake effect
snow showers. waves 5 to 8 feet. waves occasionally around
10 feet. 
.thursday...northwest winds 15 to 20 knots becoming west. lake
effect snow showers. waves 5 to 8 feet. waves occasionally around
10 feet. 
.thursday night...west winds 20 to 25 knots. lake effect snow
showers. waves 6 to 9 feet. waves occasionally around 11 feet. 
.friday...west winds 15 to 25 knots becoming northwest. lake
effect snow showers. waves 5 to 9 feet. waves occasionally around
11 feet. 
.saturday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of snow showers. waves 3 to 5 feet subsiding
to 1 to 3 feet. 
.sunday...northwest winds 10 to 15 knots becoming southwest. a
chance of snow showers. waves 1 to 3 feet. 

$$

fzus61 kbuf 302102
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est tue dec 30 2025

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...low pressure averaging 29.0 inches over georgian bay 
will move to northern new england and southern quebec today, then to 
the canadian maritimes by tuesday while deepening to 28.8 inches. a 
trough averaging 29.7 inches, will drop southward across the lake 
thursday and linger through friday.


loz065-310400-
lake ontario open waters from mexico bay to the saint lawrence
river-
402 pm est tue dec 30 2025

...gale warning in effect until midnight est tonight...

.tonight...west gales to 35 knots diminishing to 30 knots. a
chance of snow showers early. a chance of snow showers after
midnight. waves 12 to 16 feet subsiding to 7 to 10 feet. waves
occasionally around 20 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest. lake
effect snow showers likely. waves 5 to 8 feet subsiding to 3 to
6 feet. waves occasionally around 10 feet. 
.wednesday night...northwest winds 15 to 20 knots. lake effect
snow showers likely. waves 3 to 6 feet building to 4 to 7 feet,
then subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.thursday...northwest winds 15 to 20 knots becoming west. a
chance of snow showers in the morning, then lake effect snow
showers in the afternoon. waves 3 to 6 feet building to 4 to
7 feet. waves occasionally around 9 feet. 
.thursday night...west winds 15 to 20 knots. lake effect snow
showers. waves 5 to 8 feet. waves occasionally around 10 feet. 
.friday...west winds 15 to 25 knots becoming northwest. lake
effect snow showers. waves 5 to 9 feet subsiding to 4 to 7 feet.
waves occasionally around 11 feet. 
.saturday...northwest winds 10 to 15 knots becoming north. a
chance of snow showers during the day. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.sunday...north winds 10 to 15 knots becoming southwest. a chance
of snow showers. waves 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
354 pm est tue dec 30 2025

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 trough averaging 29.70 inches moves southeast across lake erie 
tonight and through wednesday morning, followed by a cold front 
late wednesday. a surface trough averaging 29.80 inches lingers 
across the lake into friday. high pressure 30.10 inches builds 
into the great lakes over the weekend.


lez061-168-169-310315-
ripley to buffalo ny extending from 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-
354 pm est tue dec 30 2025

.tonight...west winds to 30 knots. snow. waves 8 to 11 feet
subsiding to 6 to 9 feet. waves occasionally around 14 feet. 
.wednesday...west winds to 30 knots. a chance of snow early, then
snow likely late in the morning. snow in the afternoon. waves
5 to 8 feet. waves occasionally around 10 feet. 
.wednesday night...northwest winds to 30 knots. snow in the
evening, then a chance of snow overnight. waves 5 to 9 feet.
waves occasionally around 11 feet. 
.thursday...west winds 15 to 25 knots. a chance of snow in the
afternoon. waves 5 to 8 feet subsiding to 3 to 6 feet. waves
occasionally around 10 feet. 
.thursday night...west winds 15 to 20 knots. a chance of snow
overnight. waves 4 to 7 feet. waves occasionally around 9 feet. 
.friday...west winds 15 to 25 knots becoming northwest. a chance
of snow during the day. waves 4 to 7 feet subsiding to 3 to
5 feet. waves occasionally around 9 feet. 
.saturday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday...west winds 10 to 15 knots becoming southwest. a chance
of snow sunday night. waves 1 to 3 feet. 

$$