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Latest Great Lakes Marine Forecast by KBUF
Issued 2/20/2026 10:02 PM America/New_York.
Valid through 2/21/2026 5:00 AM America/New_York.
fzus61 kbuf 210302
glflo
expires:202602211000;;989941
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est fri feb 20 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 29.4 inch low over the central great lakes will drift
to southern ontario and weaken to a remnant 29.9 inch trough through
the day saturday. another 29.8 inch low will move off the carolina
coast saturday night, then will deepen to 28.8 inches as it tracks
northeastward off the mid-atlantic and new england coastlines sunday
through monday. a 30.1 inch high is then forecast to weaken and
slide across the lower great lakes on tuesday and new england on
wednesday.
loz062-063-211000-
lake ontario open waters from the niagara river to sodus bay-
1002 pm est fri feb 20 2026
.rest of tonight...southwest winds 15 to 20 knots becoming west.
a chance of rain and snow showers late this evening, then a
chance of snow showers after midnight. snow showers likely late.
waves 3 to 6 feet.
.saturday...northwest winds 10 to 15 knots becoming east. a
chance of snow showers early, then snow showers likely from late
morning on. waves 3 to 5 feet subsiding to 2 to 4 feet.
.saturday night...east winds 10 to 15 knots. a chance of snow
showers. waves 1 to 3 feet.
.sunday...east winds 5 to 10 knots. snow. waves 1 to 2 feet.
.sunday night...east winds 10 to 15 knots becoming northeast.
snow likely. waves 1 to 3 feet.
.monday...north winds 15 to 25 knots becoming northwest 15 to
20 knots. a chance of snow showers. waves 2 to 4 feet building to
4 to 7 feet, then subsiding to 3 to 6 feet. waves occasionally
around 9 feet.
.tuesday...northwest winds 15 to 20 knots becoming south. snow
likely tuesday night. waves 3 to 5 feet subsiding to 1 to 3 feet.
.wednesday...south winds 15 to 20 knots becoming west. snow and
rain likely. waves 2 to 4 feet building to 3 to 5 feet.
$$
(2/2)
Latest Great Lakes Marine Forecast by KBUF
Issued 2/20/2026 10:02 PM America/New_York.
Valid through 2/21/2026 5:00 AM America/New_York.
fzus61 kbuf 210302
glflo
expires:202602211000;;989942
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est fri feb 20 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 29.4 inch low over the central great lakes will drift
to southern ontario and weaken to a remnant 29.9 inch trough through
the day saturday. another 29.8 inch low will move off the carolina
coast saturday night, then will deepen to 28.8 inches as it tracks
northeastward off the mid-atlantic and new england coastlines sunday
through monday. a 30.1 inch high is then forecast to weaken and
slide across the lower great lakes on tuesday and new england on
wednesday.
loz064-065-211000-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 pm est fri feb 20 2026
.rest of tonight...southwest winds 15 to 20 knots becoming west.
snow showers likely with a chance of rain showers late this
evening, then snow showers likely after midnight. waves 3 to
6 feet.
.saturday...north winds 10 to 15 knots becoming northeast. a
chance of snow showers early, then snow showers likely late in
the morning. a chance of snow showers in the afternoon. waves
3 to 5 feet subsiding to 1 to 3 feet.
.saturday night...northeast winds 5 to 15 knots becoming east. a
chance of snow showers. waves 2 feet or less.
.sunday...east winds 5 to 10 knots. snow likely. waves 2 feet or
less.
.sunday night...east winds 10 to 15 knots becoming northeast.
snow likely. waves 2 feet or less.
.monday...north winds 15 to 20 knots becoming northwest. a chance
of snow showers. waves 1 to 3 feet building to 3 to 5 feet.
.tuesday...northwest winds 15 to 20 knots becoming southeast 5 to
15 knots. a chance of snow showers during the day, then a chance
of snow tuesday night. waves 3 to 5 feet subsiding to 1 to
3 feet.
.wednesday...south winds 15 to 20 knots becoming southwest. snow
and rain likely. waves 1 to 3 feet building to 3 to 5 feet.
$$
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