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(1/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 12/11/2025 10:02 AM America/New_York.
Valid through 12/11/2025 5:00 PM America/New_York.
fzus61 kbuf 111502
glflo
expires:202512112200;;394730
open lake forecast for lake ontario
national weather service buffalo ny
1002 am est thu dec 11 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 28.9 inch low will remain over the canadian maritimes
through friday before moving into the north atlantic by saturday. a
30.1 inch high will build from the upper ohio valley friday to off
the mid atlantic coast saturday. a 29.6 inch low will then move from
just east of lake superior saturday to southern quebec by sunday
where it will weaken to a 29.9 inch trough. a strong 30.8 inch high
will then build from the mid mississippi valley sunday to the
southeast states monday while weakening to 30.5 inches.
loz062-112200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est thu dec 11 2025
.this afternoon...northwest winds 20 to 25 knots. a chance of snow
showers. waves 4 to 7 feet. waves occasionally around 9 feet.
.tonight...northwest winds 15 to 25 knots. a chance of snow
showers after midnight. waves 4 to 7 feet subsiding to 3 to
6 feet. waves occasionally around 9 feet.
.friday...west winds 15 to 25 knots. a chance of snow showers in
the afternoon. waves 3 to 6 feet.
.friday night...west winds 15 to 20 knots becoming southwest
10 to 15 knots. a chance of snow showers overnight. waves 2 to
4 feet subsiding to 1 to 3 feet.
.saturday...southwest winds 15 to 25 knots becoming west to
30 knots. snow showers. waves 3 to 6 feet building to 5 to
9 feet. waves occasionally around 11 feet.
.sunday...west winds 15 to 25 knots becoming northwest. snow
showers likely during the day, then a chance of snow showers
sunday night. waves 3 to 6 feet subsiding to 2 to 4 feet.
.monday...west winds 15 to 20 knots increasing to 30 knots. a
chance of snow showers. waves 2 to 4 feet building to 5 to
8 feet. waves occasionally around 10 feet.
$$
(2/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 12/11/2025 10:02 AM America/New_York.
Valid through 12/11/2025 5:00 PM America/New_York.
fzus61 kbuf 111502
glflo
expires:202512112200;;394731
open lake forecast for lake ontario
national weather service buffalo ny
1002 am est thu dec 11 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 28.9 inch low will remain over the canadian maritimes
through friday before moving into the north atlantic by saturday. a
30.1 inch high will build from the upper ohio valley friday to off
the mid atlantic coast saturday. a 29.6 inch low will then move from
just east of lake superior saturday to southern quebec by sunday
where it will weaken to a 29.9 inch trough. a strong 30.8 inch high
will then build from the mid mississippi valley sunday to the
southeast states monday while weakening to 30.5 inches.
loz063-112200-
lake ontario open waters from hamlin beach to sodus bay-
1002 am est thu dec 11 2025
...gale warning in effect until 10 pm est this evening...
.this afternoon...northwest winds to 30 knots. lake effect snow
showers likely, then a chance of snow showers late. waves 7 to
10 feet. waves occasionally around 13 feet.
.tonight...northwest winds to 30 knots. a chance of snow showers.
waves 6 to 10 feet subsiding to 5 to 8 feet. waves occasionally
around 13 feet.
.friday...northwest winds 15 to 25 knots becoming west. a chance
of snow showers. waves 5 to 8 feet. waves occasionally around
10 feet.
.friday night...west winds 15 to 20 knots becoming southwest
10 to 15 knots. a chance of snow showers. waves 3 to 6 feet
subsiding to 2 to 4 feet.
.saturday...southwest winds 15 to 25 knots becoming west to
30 knots. snow showers. waves 3 to 6 feet building to 7 to
10 feet, then subsiding to 5 to 8 feet. waves occasionally around
13 feet.
.sunday...west winds 15 to 25 knots becoming northwest. snow
showers during the day, then a chance of snow showers sunday
night. waves 4 to 7 feet subsiding to 3 to 6 feet. waves
occasionally around 9 feet.
.monday...northwest winds 15 to 25 knots becoming west. a chance
of snow showers. waves 2 to 4 feet building to 6 to 9 feet. waves
occasionally around 11 feet.
$$
(3/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 12/11/2025 10:02 AM America/New_York.
Valid through 12/11/2025 5:00 PM America/New_York.
fzus61 kbuf 111502
glflo
expires:202512112200;;394732
open lake forecast for lake ontario
national weather service buffalo ny
1002 am est thu dec 11 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 28.9 inch low will remain over the canadian maritimes
through friday before moving into the north atlantic by saturday. a
30.1 inch high will build from the upper ohio valley friday to off
the mid atlantic coast saturday. a 29.6 inch low will then move from
just east of lake superior saturday to southern quebec by sunday
where it will weaken to a 29.9 inch trough. a strong 30.8 inch high
will then build from the mid mississippi valley sunday to the
southeast states monday while weakening to 30.5 inches.
loz064-065-112200-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 am est thu dec 11 2025
...gale warning in effect until 10 pm est this evening...
.this afternoon...northwest winds to 30 knots becoming west. a
chance of snow showers. waves 7 to 11 feet. waves occasionally
around 14 feet.
.tonight...northwest winds to 30 knots. waves 7 to 11 feet
subsiding to 5 to 9 feet. waves occasionally around 14 feet.
.friday...northwest winds 15 to 25 knots becoming west. a chance
of snow showers. waves 5 to 8 feet. waves occasionally around
10 feet.
.friday night...west winds 15 to 20 knots becoming southwest
10 to 15 knots. a chance of snow showers. waves 3 to 6 feet
subsiding to 1 to 3 feet.
.saturday...south winds 15 to 25 knots becoming west. snow
showers. waves 3 to 5 feet building to 8 to 11 feet, then
subsiding to 6 to 9 feet. waves occasionally around 14 feet.
.sunday...west winds 15 to 25 knots becoming northwest. snow
showers during the day, then a chance of snow showers sunday
night. waves 4 to 7 feet subsiding to 3 to 6 feet. waves
occasionally around 9 feet.
.monday...northwest winds 15 to 25 knots becoming west. a chance
of snow showers during the day, then snow showers likely monday
night. waves 2 to 4 feet building to 6 to 9 feet. waves
occasionally around 11 feet.
$$
(4/4)
Latest Great Lakes Marine Forecast by KCLE
Issued 12/11/2025 3:35 PM America/New_York.
Valid through 12/11/2025 10:30 PM America/New_York.
fzus61 kcle 112035
glfle
expires:202512120330;;409257
open lake forecast for lake erie
national weather service cleveland oh
335 pm est thu dec 11 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 ridge averaging 30.00 inches will briefly build east over the
great lakes late tonight into friday morning before low pressure
29.80 inches moves east across the ohio valley during the day
friday. a cold front will move east across lake erie saturday
morning with high pressure 30.50 inches building southeast from
the midwest on sunday to the ohio valley on monday.
lez061-168-169-120330-
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-
335 pm est thu dec 11 2025
.tonight...west winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. a chance of snow this evening,
then a slight chance of snow after midnight. waves 6 to 9 feet
subsiding to 2 to 3 feet. waves occasionally around 11 feet.
.friday...northwest winds 5 to 15 knots becoming west. waves 1 to
3 feet.
.friday night...southwest winds 5 to 15 knots increasing to 15 to
25 knots. snow likely overnight. waves 1 to 3 feet building to
4 to 7 feet. waves occasionally around 9 feet.
.saturday...southwest winds to 30 knots becoming west. snow
likely. waves 6 to 10 feet building to 7 to 11 feet. waves
occasionally around 14 feet.
.saturday night...west winds to 30 knots. snow likely in the
evening, then a chance of snow overnight. waves 5 to 9 feet.
waves occasionally around 11 feet.
.sunday...west winds 15 to 25 knots becoming northwest. snow
likely during the day, then a chance of snow sunday night. waves
5 to 8 feet subsiding to 3 to 6 feet. waves occasionally around
10 feet.
.monday...west winds 15 to 20 knots increasing to 30 knots. a
chance of snow monday night. waves 3 to 6 feet building to 8 to
12 feet. waves occasionally around 15 feet.
.tuesday...southwest winds 15 to 20 knots increasing to 30 knots.
waves 5 to 8 feet building to 6 to 9 feet. waves occasionally
around 11 feet.
$$
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