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(1/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 10/15/2025 10:02 AM America/New_York.
Valid through 10/15/2025 5:00 PM America/New_York.
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glflo
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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed oct 15 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 expansive 30.3 inch high will build from the upper
great lakes today into quebec and the lower great lakes thursday
through friday. the large surface high will push off the east coast
on saturday as a large 29.2 inch surface low tracks across ontario,
pushing its associated warm front across the lake saturday, followed
by an associated cold front crossing the lake later sunday into
sunday night.
loz062-152100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt wed oct 15 2025
.this afternoon...north winds 10 to 15 knots becoming northwest.
waves 2 to 4 feet subsiding to 1 to 3 feet.
.tonight...northwest winds 10 to 15 knots becoming north. waves
1 to 3 feet building to 2 to 4 feet.
.thursday...north winds 5 to 15 knots becoming northwest. waves
1 to 3 feet.
.thursday night...north winds 5 to 15 knots becoming northeast.
waves 1 to 3 feet.
.friday...northeast winds 5 to 10 knots becoming south. a chance
of showers friday night. waves 2 feet or less.
.saturday...south winds 5 to 15 knots. a chance of showers during
the day, then showers likely saturday night. waves 2 feet or
less.
.sunday...south winds 10 to 15 knots becoming west and increasing
to 15 to 25 knots. showers. waves 1 to 3 feet building to 3 to
6 feet.
$$
(2/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 10/15/2025 10:02 AM America/New_York.
Valid through 10/15/2025 5:00 PM America/New_York.
fzus61 kbuf 151402
glflo
expires:202510152100;;180138
open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed oct 15 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 expansive 30.3 inch high will build from the upper
great lakes today into quebec and the lower great lakes thursday
through friday. the large surface high will push off the east coast
on saturday as a large 29.2 inch surface low tracks across ontario,
pushing its associated warm front across the lake saturday, followed
by an associated cold front crossing the lake later sunday into
sunday night.
loz063>065-152100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt wed oct 15 2025
.this afternoon...north winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet.
.tonight...north winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet.
.thursday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet.
.thursday night...north winds 15 to 20 knots becoming northeast
10 to 15 knots. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet.
.friday...northeast winds 10 knots or less becoming south. a
chance of showers friday night. waves 1 to 3 feet subsiding to
1 foot or less.
.saturday...south winds 5 to 10 knots increasing to 15 to
25 knots. a chance of showers. waves 1 to 3 feet building to 3 to
5 feet.
.sunday...south winds 15 to 25 knots becoming southwest to
30 knots. showers. waves 3 to 5 feet building to 5 to 8 feet.
waves occasionally around 10 feet.
$$
(3/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 10/15/2025 10:02 AM America/New_York.
Valid through 10/15/2025 5:00 PM America/New_York.
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glfsl
expires:202510152100;;180136
forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1002 am edt wed oct 15 2025
slz022-024-152100-
saint lawrence river from cape vincent to saint regis
1002 am edt wed oct 15 2025
.this afternoon...north winds around 10 knots. mostly sunny.
.tonight...north winds 5 to 10 knots. mainly clear.
.thursday...northwest winds 5 to 10 knots becoming north. sunny.
.thursday night...north winds 10 knots or less. mainly clear.
.friday...north winds less than 10 knots. a chance of rain
showers friday night.
.saturday...south winds 10 knots or less becoming southeast. a
chance of rain showers.
.sunday...south winds 5 to 15 knots. showers.
$$
(4/4)
Latest Great Lakes Marine Forecast by KCLE
Issued 10/15/2025 9:27 AM America/New_York.
Valid through 10/15/2025 4:30 PM America/New_York.
fzus61 kcle 151327
glfle
expires:202510152030;;179154
open lake forecast for lake erie
national weather service cleveland oh
927 am edt wed oct 15 2025
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
high pressure 30.20 inches will move from the northern great lakes
this afternoon to the southern great lakes thursday night. this
high will move east of the area friday and allow a warm front to
cross the lake on friday night into saturday. a strong cold front
will cross the lake on sunday morning.
lez061-169-152030-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
927 am edt wed oct 15 2025
.rest of today...north winds 5 to 15 knots. waves 1 to 3 feet.
.tonight...north winds 10 to 15 knots. waves 1 to 3 feet.
.thursday...north winds 5 to 10 knots. waves 1 to 3 feet
subsiding to 1 foot or less.
.thursday night...north winds less than 10 knots becoming
southeast. waves 1 foot or less.
.friday...south winds 10 knots or less increasing to 10 to
15 knots. a chance of showers friday night. waves 2 feet or less.
.saturday...south winds 10 to 15 knots increasing to 15 to
20 knots. showers likely saturday night. waves 1 to 3 feet
building to 2 to 4 feet.
.sunday...southwest winds 15 to 25 knots becoming west. showers.
waves 3 to 5 feet building to 5 to 8 feet. waves occasionally
around 10 feet.
$$
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