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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est mon dec 8 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...a 30.4 inch high over the lake this evening, will move 
east and off the east coast tuesday. a 29.5 inch low will move 
across the upper great lakes tuesday, then a stronger low averaging 
29.3 inches will approach the region tuesday night and potentially 
move northwest of the lake wednesday. a 29.9 inch high is expected 
to move into the great lakes region thursday, followed by a 29.6 
inch low which may approach the lake from the northwest late friday. 
30.0 inches will average across the lower great lakes region 
saturday.


loz062-091000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est mon dec 8 2025

.rest of tonight...southwest winds 10 to 15 knots becoming south.
waves 1 to 2 feet. 
.tuesday...south winds 15 to 25 knots increasing to 30 knots.
snow showers in the afternoon. waves 1 to 2 feet building to 4 to
7 feet. waves occasionally around 9 feet. 
.tuesday night...southwest winds 15 to 25 knots becoming south.
rain and snow. waves 4 to 7 feet subsiding to 3 to 5 feet. waves
occasionally around 9 feet. 
.wednesday...south winds 15 to 25 knots becoming west. rain and
snow in the morning, then rain in the afternoon. waves 2 to
4 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.wednesday night...northwest winds 20 to 25 knots. rain with snow
likely in the evening, then snow likely overnight. waves 5 to
8 feet. waves occasionally around 10 feet. 
.thursday...west winds 15 to 25 knots. snow showers likely during
the day, then a chance of snow showers thursday night. waves 4 to
7 feet. waves occasionally around 9 feet. 
.friday...west winds 15 to 20 knots. a chance of snow showers
during the day, then snow showers likely friday night. waves 3 to
5 feet. 
.saturday...west winds 15 to 25 knots. snow showers likely during
the day, then a chance of snow showers saturday night. waves 4 to
7 feet subsiding to 3 to 6 feet. waves occasionally around
9 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est mon dec 8 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...a 30.4 inch high over the lake this evening, will move 
east and off the east coast tuesday. a 29.5 inch low will move 
across the upper great lakes tuesday, then a stronger low averaging 
29.3 inches will approach the region tuesday night and potentially 
move northwest of the lake wednesday. a 29.9 inch high is expected 
to move into the great lakes region thursday, followed by a 29.6 
inch low which may approach the lake from the northwest late friday. 
30.0 inches will average across the lower great lakes region 
saturday.


loz063-091000-
lake ontario open waters from hamlin beach to sodus bay-
1002 pm est mon dec 8 2025

.rest of tonight...southwest winds 10 to 15 knots becoming south.
a chance of snow showers late this evening. waves 1 to 2 feet. 
.tuesday...south winds 15 to 25 knots. a chance of snow showers
early in the afternoon. snow showers late. waves 1 to 3 feet
building to 3 to 5 feet. 
.tuesday night...southwest winds 15 to 25 knots becoming south.
snow likely in the evening, then rain and snow overnight. waves
3 to 6 feet. 
.wednesday...south winds 15 to 25 knots becoming southwest. rain
and snow in the morning, then rain in the afternoon. waves 3 to
6 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.wednesday night...west winds 20 to 25 knots becoming northwest.
rain with snow likely in the evening, then snow likely overnight.
waves 5 to 9 feet. waves occasionally around 11 feet. 
.thursday...northwest winds 20 to 25 knots. snow showers likely.
waves 5 to 9 feet. waves occasionally around 11 feet. 
.friday...west winds 15 to 20 knots becoming southwest. a chance
of snow showers during the day, then snow showers likely friday
night. waves 3 to 6 feet. 
.saturday...southwest winds to 30 knots becoming west and
diminishing to 15 to 20 knots. snow showers likely during the
day, then a chance of snow showers saturday night. waves 4 to
7 feet building to 5 to 9 feet. waves occasionally around
11 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est mon dec 8 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...a 30.4 inch high over the lake this evening, will move 
east and off the east coast tuesday. a 29.5 inch low will move 
across the upper great lakes tuesday, then a stronger low averaging 
29.3 inches will approach the region tuesday night and potentially 
move northwest of the lake wednesday. a 29.9 inch high is expected 
to move into the great lakes region thursday, followed by a 29.6 
inch low which may approach the lake from the northwest late friday. 
30.0 inches will average across the lower great lakes region 
saturday.


loz064-065-091000-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 pm est mon dec 8 2025

.rest of tonight...northwest winds 5 to 15 knots becoming south.
a chance of snow showers. waves 2 feet or less. 
.tuesday...south winds 15 to 25 knots increasing to 30 knots. a
chance of snow showers early. a chance of snow showers early in
the afternoon, then snow showers likely late. waves 1 to 3 feet
building to 5 to 8 feet. waves occasionally around 10 feet. 
.tuesday night...south winds to 30 knots. snow in the evening,
then snow and rain overnight. waves 5 to 8 feet. waves
occasionally around 10 feet. 
.wednesday...south winds to 30 knots becoming southwest. rain and
snow in the morning, then rain in the afternoon. waves 3 to
6 feet building to 5 to 8 feet. waves occasionally around
10 feet. 
.wednesday night...southwest winds to 30 knots becoming
northwest. rain and snow in the evening, then snow overnight.
waves 5 to 9 feet. waves occasionally around 11 feet. 
.thursday...northwest winds 15 to 25 knots. snow showers likely.
waves 5 to 9 feet. waves occasionally around 11 feet. 
.friday...northwest winds 15 to 20 knots becoming southwest. snow
showers likely. waves 4 to 7 feet subsiding to 3 to 5 feet. waves
occasionally around 9 feet. 
.saturday...southwest winds 15 to 25 knots becoming west. snow
showers likely. waves 4 to 7 feet building to 6 to 10 feet, then
subsiding to 5 to 8 feet. waves occasionally around 13 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
929 pm est mon dec 8 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 high pressure ridge averaging 30.40 inches exits eastward, 
which will allow a warm front to move northward across lake erie 
tonight and toward central ontario on tuesday. on wednesday, a low
should move east-northeastward along the aforementioned front and
deepen to 29.10 inches as the low advances from the southwestern 
great lakes to southern quebec. this low track should allow the 
trailing cold front to sweep eastward across lake erie on 
wednesday. behind the cold front, a trough averaging 29.90 inches 
should linger over the lake erie region through thursday. on 
friday, a ridge averaging 30.10 inches should build from the west 
before a cold front sweeps generally eastward across lake erie on 
saturday.


lez061-168-169-090930-
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-
929 pm est mon dec 8 2025

...gale watch in effect from late tuesday night through wednesday
evening...

.overnight...southeast winds 5 to 15 knots becoming south
15 to 20 knots. waves 1 to 3 feet. 
.tuesday...south winds 15 to 25 knots becoming southwest to
30 knots. a slight chance of snow late in the morning. snow
likely early in the afternoon, then a chance of snow with a
slight chance of rain late. waves 2 to 4 feet building to 7 to
10 feet. waves occasionally around 13 feet. 
.tuesday night...southwest winds to 30 knots becoming south. a
chance of rain and snow in the evening, then rain overnight.
waves 6 to 10 feet. waves occasionally around 13 feet. 
.wednesday...southwest winds to 30 knots becoming west and
increasing to 35 knot gales in the afternoon. rain. waves 8 to
11 feet building to 10 to 14 feet. waves occasionally around
18 feet. 
.wednesday night...west winds to 30 knots becoming northwest.
snow and rain likely in the evening, then a chance of snow
overnight. waves 10 to 13 feet subsiding to 5 to 8 feet. waves
occasionally around 16 feet. 
.thursday...west winds 15 to 25 knots. a chance of snow. waves
4 to 7 feet subsiding to 3 to 5 feet. waves occasionally around
9 feet. 
.friday...west winds 15 to 25 knots increasing to 30 knots. snow
likely. waves 3 to 6 feet building to 5 to 9 feet. waves
occasionally around 11 feet. 
.saturday...west winds to 30 knots. snow likely. waves 6 to
10 feet subsiding to 5 to 7 feet. waves occasionally around
13 feet. 

$$