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(1/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 12/9/2025 10:02 AM America/New_York.
Valid through 12/9/2025 5:00 PM America/New_York.
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glflo
expires:202512092200;;280935
open lake forecast for lake ontario
national weather service buffalo ny
1002 am est tue dec 9 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 29.5 inch surface low will move across the upper great
lakes tuesday, then a stronger low averaging 29.2 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.
loz062-092200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est tue dec 9 2025
.this afternoon...south winds 15 to 25 knots. a chance of snow
showers early. snow showers likely late. waves
2 to 3 feet building to 3 to 6 feet.
.tonight...southwest winds 15 to 25 knots becoming south. lake
effect snow showers in the evening, then snow likely after
midnight. snow with a chance of rain late. 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 3 to 6 feet.
.wednesday night...northwest winds 20 to 25 knots becoming west.
a chance of snow showers and rain in the evening, then a chance
of snow showers overnight. waves 5 to 7 feet. waves occasionally
around 9 feet.
.thursday...west winds 15 to 25 knots. a chance of snow showers.
waves 5 to 8 feet subsiding to 3 to 6 feet. waves occasionally
around 10 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 5 feet.
.saturday...west winds to 30 knots diminishing to 15 to 20 knots.
snow showers likely during the day, then a chance of snow showers
saturday night. waves 5 to 8 feet. waves occasionally around
10 feet.
$$
(2/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 12/9/2025 10:02 AM America/New_York.
Valid through 12/9/2025 5:00 PM America/New_York.
fzus61 kbuf 091502
glflo
expires:202512092200;;280936
open lake forecast for lake ontario
national weather service buffalo ny
1002 am est tue dec 9 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 29.5 inch surface low will move across the upper great
lakes tuesday, then a stronger low averaging 29.2 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.
loz063-092200-
lake ontario open waters from hamlin beach to sodus bay-
1002 am est tue dec 9 2025
.this afternoon...south winds 15 to 25 knots. snow showers likely
late. waves 2 to 4 feet building to 3 to 5 feet.
.tonight...south winds 15 to 25 knots. snow showers likely early,
then a chance of snow. snow with rain likely late. 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.
.wednesday night...west winds 20 to 25 knots becoming northwest.
snow showers likely with rain in the evening, then snow showers
likely overnight. waves 4 to 7 feet building to 6 to 9 feet.
waves occasionally around 11 feet.
.thursday...west winds to 30 knots becoming northwest. a chance
of snow showers during the day, then snow showers likely thursday
night. waves 6 to 10 feet subsiding to 5 to 8 feet. waves
occasionally around 13 feet.
.friday...west winds 15 to 20 knots becoming southwest. snow
showers likely. waves 3 to 6 feet subsiding to 2 to 4 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 5 to
8 feet building to 7 to 10 feet, then subsiding to 5 to 8 feet.
waves occasionally around 13 feet.
$$
(3/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 12/9/2025 10:02 AM America/New_York.
Valid through 12/9/2025 5:00 PM America/New_York.
fzus61 kbuf 091502
glflo
expires:202512092200;;280937
open lake forecast for lake ontario
national weather service buffalo ny
1002 am est tue dec 9 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 29.5 inch surface low will move across the upper great
lakes tuesday, then a stronger low averaging 29.2 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.
loz064-065-092200-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 am est tue dec 9 2025
.this afternoon...south winds 15 to 25 knots. snow showers likely
late. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet.
.tonight...south winds to 30 knots. snow showers likely early,
then a chance of snow. snow likely with a chance of rain late.
waves 5 to 8 feet. waves occasionally around 10 feet.
.wednesday...south winds 20 to 25 knots becoming southwest. rain
and snow. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet.
.wednesday night...west winds to 30 knots becoming northwest.
snow showers and rain in the evening, then snow showers
overnight. waves 5 to 9 feet. waves occasionally around 11 feet.
.thursday...west winds to 30 knots becoming northwest 15 to
25 knots. snow showers likely during the day, then a chance of
snow showers thursday night. waves 7 to 10 feet subsiding to 5 to
8 feet. waves occasionally around 13 feet.
.friday...northwest winds 15 to 20 knots becoming southwest. a
chance of snow showers during the day, then snow showers likely
friday night. waves 4 to 7 feet subsiding to 2 to 4 feet. waves
occasionally around 9 feet.
.saturday...southwest winds to 30 knots becoming west and
diminishing to 15 to 20 knots. snow showers likely. waves 5 to
8 feet building to 7 to 10 feet, then subsiding to 5 to 8 feet.
waves occasionally around 13 feet.
$$
(4/4)
Latest Great Lakes Marine Forecast by KCLE
Issued 12/9/2025 9:13 AM America/New_York.
Valid through 12/9/2025 4:15 PM America/New_York.
fzus61 kcle 091413
glfle
expires:202512092115;;279627
open lake forecast for lake erie
national weather service cleveland oh
913 am est tue dec 9 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 warm front will move northward across lake erie today. a strong low
pressure system will track north of lake erie on wednesday and
deepen to 29.20 inches as it moves towards southern quebec. a
strong cold front will sweep eastward across lake erie on
wednesday. behind the cold front, a trough averaging 29.90 inches
will linger over the lake erie region through thursday. on
friday, a ridge averaging 30.10 inches will build from the west
before a cold front sweeps generally eastward across lake erie on
saturday.
lez061-168-169-092115-
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-
913 am est tue dec 9 2025
...gale warning in effect from late tonight through wednesday
evening...
.rest of today...south winds to 30 knots becoming southwest. a
slight chance of snow late this morning, then snow early this
afternoon. a chance of snow late. waves 3 to 5 feet building to
7 to 10 feet. waves occasionally around 13 feet.
.tonight...southwest winds to 30 knots becoming south. a chance
of rain and snow through the early overnight, then rain and snow
late. waves 6 to 10 feet. waves occasionally around 13 feet.
.wednesday...southwest gales to 35 knots becoming west. rain in
the morning, then rain and snow in the afternoon. waves 10 to
14 feet building to 11 to 16 feet. waves occasionally around
20 feet.
.wednesday night...northwest winds to 30 knots becoming west.
snow likely with rain in the evening, then a chance of snow
overnight. waves 9 to 12 feet subsiding to 5 to 9 feet. waves
occasionally around 15 feet.
.thursday...west winds 15 to 25 knots. a chance of snow. waves
5 to 8 feet subsiding to 3 to 5 feet. waves occasionally around
10 feet.
.friday...west winds 15 to 25 knots. a chance of snow during the
day, then snow likely friday night. waves 2 to 4 feet building to
6 to 9 feet. waves occasionally around 11 feet.
.saturday...west winds to 30 knots diminishing to 15 to 20 knots.
snow likely. waves 5 to 9 feet subsiding to 4 to 6 feet. waves
occasionally around 11 feet.
$$
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