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(1/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 12/14/2025 10:02 PM America/New_York.
Valid through 12/15/2025 5:00 AM America/New_York.
fzus61 kbuf 150302
glflo
expires:202512151000;;601321
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est sun dec 14 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...an elongated 29.7 inch low will rapidly deepen to 28.6
inches by monday as it steams towards newfoundland. a strong 30.9
inch high over the mid mississippi valley will then settle across
the southeast states through tuesday while weakening to 30.3 inches.
a strong 29.0 inch low over the southern canadian prairies tuesday
will move east to northern quebec by wednesday, with a trailing cold
front crossing the lake wednesday. thursday an area of low pressure
deepening to 29.2 inches will cross the central great lakes, with
this low deepening further thursday night to 29.0 inches as it
tracks towards southwestern quebec.
loz062-151000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est sun dec 14 2025
.overnight...northwest winds 15 to 20 knots becoming west
10 to 15 knots. a chance of snow showers. waves
3 to 6 feet subsiding to 2 to 4 feet.
.monday...west winds 15 to 25 knots increasing to 30 knots. lake
effect snow. waves 2 to 4 feet building to 5 to 9 feet. waves
occasionally around 11 feet.
.monday night...west winds to 30 knots diminishing to 15 to
20 knots. a chance of snow showers in the evening. waves 5 to
9 feet subsiding to 3 to 6 feet. waves occasionally around
11 feet.
.tuesday...southwest winds 10 to 15 knots increasing to 15 to
25 knots. waves 2 to 4 feet building to 3 to 6 feet.
.tuesday night...southwest winds 15 to 25 knots increasing to
30 knots. waves 5 to 8 feet building to 7 to 11 feet. waves
occasionally around 14 feet.
.wednesday...southwest winds to 30 knots becoming south and
diminishing to 10 to 15 knots. waves 6 to 10 feet subsiding to
1 to 3 feet. waves occasionally around 13 feet.
.thursday...south winds 15 to 20 knots becoming southwest and
increasing to 35 knot gales. rain likely during the day, then
rain with a chance of snow thursday night. waves 2 to 4 feet
building to 10 to 14 feet. waves occasionally around 18 feet.
.friday...west gales to 40 knots becoming southwest and
diminishing to 10 to 15 knots. a chance of snow showers during
the day. waves 10 to 15 feet subsiding to 2 to 3 feet. waves
occasionally around 19 feet.
$$
(2/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 12/14/2025 10:02 PM America/New_York.
Valid through 12/15/2025 5:00 AM America/New_York.
fzus61 kbuf 150302
glflo
expires:202512151000;;601322
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est sun dec 14 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...an elongated 29.7 inch low will rapidly deepen to 28.6
inches by monday as it steams towards newfoundland. a strong 30.9
inch high over the mid mississippi valley will then settle across
the southeast states through tuesday while weakening to 30.3 inches.
a strong 29.0 inch low over the southern canadian prairies tuesday
will move east to northern quebec by wednesday, with a trailing cold
front crossing the lake wednesday. thursday an area of low pressure
deepening to 29.2 inches will cross the central great lakes, with
this low deepening further thursday night to 29.0 inches as it
tracks towards southwestern quebec.
loz063-151000-
lake ontario open waters from hamlin beach to sodus bay-
1002 pm est sun dec 14 2025
.overnight...northwest winds 15 to 20 knots. a chance of
snow showers, then lake effect snow likely late. waves 5 to
7 feet subsiding to 3 to 6 feet. waves occasionally around
9 feet.
.monday...west winds 15 to 20 knots increasing to 30 knots. lake
effect snow. waves 2 to 4 feet building to 5 to 9 feet. waves
occasionally around 11 feet.
.monday night...west winds 15 to 25 knots. lake effect snow in
the evening, then a chance of snow showers overnight. waves 6 to
9 feet subsiding to 3 to 6 feet. waves occasionally around
11 feet.
.tuesday...southwest winds 15 to 20 knots. waves 3 to 5 feet
subsiding to 1 to 3 feet.
.tuesday night...southwest winds 15 to 25 knots increasing to
30 knots. waves 2 to 4 feet building to 5 to 8 feet. waves
occasionally around 10 feet.
.wednesday...southwest winds to 30 knots becoming south and
diminishing to 15 to 20 knots. waves 7 to 11 feet subsiding to
2 to 4 feet. waves occasionally around 14 feet.
.thursday...south winds to 30 knots becoming southwest and
increasing to 40 knot gales. rain likely during the day, then
rain with snow likely thursday night. waves 3 to 6 feet building
to 11 to 15 feet. waves occasionally around 19 feet.
.friday...west gales to 45 knots diminishing to 15 to 25 knots. a
chance of rain and snow showers during the day. waves 14 to
19 feet subsiding to 3 to 5 feet. waves occasionally around
24 feet.
$$
(3/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 12/14/2025 10:02 PM America/New_York.
Valid through 12/15/2025 5:00 AM America/New_York.
fzus61 kbuf 150302
glflo
expires:202512151000;;601323
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est sun dec 14 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...an elongated 29.7 inch low will rapidly deepen to 28.6
inches by monday as it steams towards newfoundland. a strong 30.9
inch high over the mid mississippi valley will then settle across
the southeast states through tuesday while weakening to 30.3 inches.
a strong 29.0 inch low over the southern canadian prairies tuesday
will move east to northern quebec by wednesday, with a trailing cold
front crossing the lake wednesday. thursday an area of low pressure
deepening to 29.2 inches will cross the central great lakes, with
this low deepening further thursday night to 29.0 inches as it
tracks towards southwestern quebec.
loz064-065-151000-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 pm est sun dec 14 2025
.overnight...northwest winds 15 to 25 knots. a chance of
snow showers, then snow likely late. 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. lake
effect snow. waves 2 to 4 feet building to 6 to 9 feet. waves
occasionally around 11 feet.
.monday night...west winds 15 to 25 knots. lake effect snow.
waves 5 to 9 feet subsiding to 3 to 6 feet. waves occasionally
around 11 feet.
.tuesday...southwest winds 15 to 20 knots becoming south. lake
effect snow showers likely. waves 3 to 6 feet.
.tuesday night...south winds 15 to 25 knots increasing to
30 knots. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet.
.wednesday...southwest winds to 30 knots becoming south and
diminishing to 15 to 20 knots. a chance of rain showers during
the day. waves 7 to 11 feet subsiding to 2 to 4 feet. waves
occasionally around 14 feet.
.thursday...south winds to 30 knots becoming southwest and
increasing to 40 knot gales. rain likely during the day, then
rain and snow thursday night. waves 4 to 7 feet building to 12 to
16 feet. waves occasionally around 20 feet.
.friday...west gales to 40 knots becoming northwest and
diminishing to 15 to 20 knots. a chance of snow and rain showers
during the day. waves 15 to 19 feet subsiding to 3 to 5 feet.
waves occasionally around 24 feet.
$$
(4/4)
Latest Great Lakes Marine Forecast by KCLE
Issued 12/14/2025 9:34 PM America/New_York.
Valid through 12/15/2025 4:30 AM America/New_York.
fzus61 kcle 150234
glfle
expires:202512150930;;600336
open lake forecast for lake erie
national weather service cleveland oh
934 pm est sun dec 14 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...
high pressure 30.40 inches moves south of the area through
monday, weakening to a ridge averaging 30.20 inches through
tuesday. a warm front crosses the area tuesday night, followed by
a weak cold front late wednesday. strong low pressure 29.20 inches
moves into the northern great lakes on thursday, bringing a warm
front across the area on thursday, and a strong cold front
thursday night.
lez061-168-169-150930-
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-
934 pm est sun dec 14 2025
.overnight...northwest winds 15 to 20 knots becoming west.
a slight chance of snow showers. waves 3 to 6 feet.
.monday...west winds to 30 knots becoming southwest. a chance of
snow showers early, then snow showers. a chance of snow showers
late. waves 4 to 7 feet building to 9 to 12 feet. waves
occasionally around 15 feet.
.monday night...west winds to 30 knots becoming southwest and
diminishing to 10 to 15 knots. a chance of snow showers. waves
9 to 12 feet subsiding to 3 to 5 feet. waves occasionally around
15 feet.
.tuesday...southwest winds 10 to 15 knots increasing to 15 to
25 knots. a chance of snow showers in the morning. waves 2 to
4 feet building to 3 to 6 feet.
.tuesday night...southwest winds to 30 knots. waves 5 to 8 feet
building to 7 to 10 feet. waves occasionally around 13 feet.
.wednesday...southwest winds to 30 knots becoming south and
diminishing to 15 to 20 knots. waves 6 to 10 feet subsiding to
2 to 4 feet. waves occasionally around 13 feet.
.thursday...south winds to 30 knots becoming west and increasing
to 40 knot gales. rain during the day, then rain with a chance of
snow thursday night. waves 4 to 7 feet building to 11 to 16 feet.
waves occasionally around 20 feet.
.friday...west gales to 35 knots becoming southwest and
diminishing to 15 to 20 knots. a chance of snow during the day.
waves 11 to 15 feet subsiding to 2 to 4 feet. waves occasionally
around 19 feet.
$$
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