(1/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 10/25/2026 10:02 AM America/New_York.
Valid through 10/25/2026 5:00 PM America/New_York.
fzus61 kbuf 251402
glfsl
expires:202610252100;;162813
forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1002 am edt sun oct 25 2026
slz022-024-252100-
saint lawrence river from cape vincent to saint regis
1002 am edt sun oct 25 2026
.this afternoon...south winds 10 knots or less becoming southwest.
sunny.
.tonight...southwest winds 5 to 10 knots. partly to mostly
cloudy.
.monday...southwest winds 10 knots or less becoming northwest. a
chance of showers.
.monday night...northwest winds 5 to 10 knots becoming north.
becoming mainly clear.
.tuesday...north winds 5 to 10 knots becoming light and variable.
mainly clear.
.wednesday...light and variable winds becoming south 10 to
15 knots. partly cloudy.
.thursday...south winds 5 to 15 knots becoming west less than
10 knots. a chance of showers.
$$
(2/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 10/25/2026 10:01 AM America/New_York.
Valid through 10/25/2026 5:00 PM America/New_York.
fzus61 kbuf 251401
glflo
expires:202610252100;;162783
open lake forecast for lake ontario
national weather service buffalo ny
1001 am edt sun oct 25 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a ridge averaging 30.5 inches affects the lake through
tonight as the embedded high pressure center moves from near lake
champlain toward the mid-atlantic states. the ridge then exits
southeastward as a weak cold front sweeps southeastward across the
lake on monday. behind the front, another ridge averaging 30.5
inches affects the lake through this thursday as the embedded high
pressure center wobbles southeastward from near manitoba to north
atlantic waters southeast of the canadian maritimes.
loz062-252100-
lake ontario open waters from the niagara river to hamlin beach-
1001 am edt sun oct 25 2026
.this afternoon...southwest winds 10 knots or less. waves 1 foot
or less.
.tonight...south winds 5 to 15 knots becoming southwest. waves
2 feet or less.
.monday...west winds 5 to 15 knots becoming northwest. waves 1 to
3 feet.
.monday night...northwest winds 15 to 20 knots becoming northeast
10 to 15 knots. waves 1 to 3 feet.
.tuesday...northeast winds 5 to 15 knots becoming east. waves
1 to 3 feet.
.wednesday...east winds 5 to 15 knots becoming south. waves 1 to
2 feet.
.thursday...southwest winds 15 to 20 knots becoming west 5 to
15 knots. a chance of showers. waves 1 to 3 feet.
$$
(3/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 10/25/2026 10:01 AM America/New_York.
Valid through 10/25/2026 5:00 PM America/New_York.
fzus61 kbuf 251401
glflo
expires:202610252100;;162784
open lake forecast for lake ontario
national weather service buffalo ny
1001 am edt sun oct 25 2026
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 ridge averaging 30.5 inches affects the lake through
tonight as the embedded high pressure center moves from near lake
champlain toward the mid-atlantic states. the ridge then exits
southeastward as a weak cold front sweeps southeastward across the
lake on monday. behind the front, another ridge averaging 30.5
inches affects the lake through this thursday as the embedded high
pressure center wobbles southeastward from near manitoba to north
atlantic waters southeast of the canadian maritimes.
loz063>065-252100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1001 am edt sun oct 25 2026
.this afternoon...south winds 5 to 15 knots. waves 2 feet or less.
.tonight...south winds 5 to 15 knots becoming southwest. waves
2 feet or less.
.monday...west winds 10 to 15 knots becoming northwest. waves
1 to 3 feet.
.monday night...northwest winds 10 to 15 knots becoming northeast
15 to 20 knots. waves 1 to 3 feet building to 3 to 5 feet.
.tuesday...northeast winds 15 to 20 knots becoming east and
diminishing to 5 to 10 knots. waves 2 to 4 feet subsiding to
1 foot or less.
.wednesday...southeast winds 5 to 10 knots becoming south and
increasing to 15 to 20 knots. waves 2 feet or less building to
2 to 4 feet.
.thursday...south winds 15 to 20 knots becoming west 5 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet.
$$
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Latest Great Lakes Marine Forecast by KCLE
Issued 10/25/2026 9:35 AM America/New_York.
Valid through 10/25/2026 4:15 PM America/New_York.
fzus61 kcle 251335
glfle
expires:202610252015;;162238
open lake forecast for lake erie
national weather service cleveland oh
935 am edt sun oct 25 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
high pressure 30.50 inches along the east coast will slide
southwest today through the central appalachians and into the
tennessee valley by monday. this will allow for a weak cold front
to cross the lake monday afternoon. high pressure 30.50 inches
will return across the great lakes tuesday then set up along the
east coast for the rest of the week.
lez061-167>169-252015-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
935 am edt sun oct 25 2026
.this afternoon...south winds 10 knots or less becoming southwest.
waves 2 feet or less.
.tonight...southwest winds 10 knots or less increasing to 10 to
15 knots. waves 2 feet or less.
.monday...southwest winds 5 to 15 knots becoming northwest. waves
1 to 2 feet.
.monday night...northwest winds 10 to 15 knots becoming
northeast. waves 1 to 3 feet.
.tuesday...northeast winds 10 to 15 knots becoming east. waves
1 to 3 feet.
.wednesday...southeast winds 5 to 15 knots becoming south. waves
2 feet or less.
.thursday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 1 to 3 feet.
$$
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