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(1/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 11/22/2025 4:02 AM America/New_York.
Valid through 11/22/2025 11:00 AM America/New_York.
fzus61 kbuf 220902
glflo
expires:202511221600;;298052
open lake forecast for lake ontario
national weather service buffalo ny
402 am est sat nov 22 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 30.1 inch high will build over the ohio valley and
lower great lakes today. a 29.5 inch low will move from northern
ontario to james bay sunday, sending its cold front across the lake
through the afternoon hours. a 30.2 inch high is then forecast to
build across the ohio valley monday. on tuesday a 29.5 inch low to
the north of lake superior will swing a cold front across the lake
by tuesday night. the surface low will then track well north of the
lake through wednesday.
loz062-221600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est sat nov 22 2025
.today...north winds 5 to 15 knots becoming northwest. waves
2 feet or less.
.tonight...northwest winds 5 to 15 knots becoming southwest. a
chance of rain showers late. waves 2 feet or less.
.sunday...southwest winds 15 to 25 knots becoming west. a chance
of rain showers. waves 1 to 3 feet building to 5 to 8 feet. waves
occasionally around 10 feet.
.sunday night...west winds to 30 knots becoming northwest and
diminishing to 10 to 15 knots. a chance of showers in the
evening. waves 5 to 8 feet subsiding to 3 to 5 feet. waves
occasionally around 10 feet.
.monday...west winds 5 to 15 knots becoming south. waves 1 to
3 feet subsiding to 1 foot or less.
.tuesday...southeast winds 5 to 15 knots becoming southwest.
showers. waves 1 to 3 feet.
.wednesday...southwest winds 15 to 20 knots becoming west and
increasing to 30 knots. a chance of rain showers during the day,
then a chance of rain and snow showers wednesday night. waves
3 to 5 feet building to 8 to 11 feet. waves occasionally around
14 feet.
$$
(2/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 11/22/2025 4:02 AM America/New_York.
Valid through 11/22/2025 11:00 AM America/New_York.
fzus61 kbuf 220902
glflo
expires:202511221600;;298053
open lake forecast for lake ontario
national weather service buffalo ny
402 am est sat nov 22 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 30.1 inch high will build over the ohio valley and
lower great lakes today. a 29.5 inch low will move from northern
ontario to james bay sunday, sending its cold front across the lake
through the afternoon hours. a 30.2 inch high is then forecast to
build across the ohio valley monday. on tuesday a 29.5 inch low to
the north of lake superior will swing a cold front across the lake
by tuesday night. the surface low will then track well north of the
lake through wednesday.
loz063-221600-
lake ontario open waters from hamlin beach to sodus bay-
402 am est sat nov 22 2025
.today...north winds 10 to 15 knots becoming northwest. waves
1 to 3 feet.
.tonight...northwest winds 5 to 15 knots becoming southwest.
waves 1 to 2 feet.
.sunday...southwest winds 15 to 25 knots becoming west to
30 knots. rain showers likely. waves 1 to 3 feet building to 6 to
9 feet. waves occasionally around 11 feet.
.sunday night...west winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. showers likely in the evening,
then a chance of showers overnight. waves 7 to 11 feet subsiding
to 4 to 7 feet. waves occasionally around 14 feet.
.monday...northwest winds 15 to 20 knots becoming south 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet.
.tuesday...south winds 15 to 20 knots. showers. waves 1 to
3 feet.
.wednesday...southwest winds 15 to 20 knots becoming west and
increasing to 30 knots. rain showers likely during the day, then
rain showers likely with a chance of snow showers wednesday
night. waves 2 to 4 feet building to 7 to 11 feet. waves
occasionally around 14 feet.
$$
(3/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 11/22/2025 4:02 AM America/New_York.
Valid through 11/22/2025 11:00 AM America/New_York.
fzus61 kbuf 220902
glflo
expires:202511221600;;298054
open lake forecast for lake ontario
national weather service buffalo ny
402 am est sat nov 22 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 30.1 inch high will build over the ohio valley and
lower great lakes today. a 29.5 inch low will move from northern
ontario to james bay sunday, sending its cold front across the lake
through the afternoon hours. a 30.2 inch high is then forecast to
build across the ohio valley monday. on tuesday a 29.5 inch low to
the north of lake superior will swing a cold front across the lake
by tuesday night. the surface low will then track well north of the
lake through wednesday.
loz064-065-221600-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 am est sat nov 22 2025
.today...northwest winds 10 to 15 knots. waves 1 to 3 feet.
.tonight...northwest winds 5 to 15 knots becoming southwest.
waves 2 feet or less.
.sunday...south winds 15 to 25 knots becoming west to 30 knots.
rain showers. waves 1 to 3 feet building to 6 to 9 feet. waves
occasionally around 11 feet.
.sunday night...west winds to 30 knots becoming northwest 15 to
25 knots. rain showers in the evening, then a chance of rain
showers overnight. waves 8 to 11 feet subsiding to 4 to 7 feet.
waves occasionally around 14 feet.
.monday...northwest winds 15 to 20 knots becoming south 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet.
.tuesday...southeast winds 15 to 20 knots becoming south.
showers. waves 1 to 3 feet building to 2 to 4 feet.
.wednesday...southwest winds 15 to 20 knots becoming west and
increasing to 30 knots. rain showers. waves 3 to 5 feet building
to 8 to 12 feet. waves occasionally around 15 feet.
$$
(4/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 11/22/2025 4:02 AM America/New_York.
Valid through 11/22/2025 11:00 AM America/New_York.
fzus61 kbuf 220902
glfsl
expires:202511221600;;298050
forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
402 am est sat nov 22 2025
slz022-221600-
saint lawrence river from cape vincent to ogdensburg-
402 am est sat nov 22 2025
.today...northwest winds 10 knots or less. partly to mostly
sunny.
.tonight...light and variable winds. partly cloudy early, then
becoming mostly cloudy.
.sunday...south winds 5 to 10 knots becoming southwest. snow and
rain showers.
.sunday night...west winds 5 to 10 knots. rain showers likely
with a chance of snow showers in the evening, then a chance of
snow and rain showers overnight.
.monday...west winds 10 knots or less becoming south. partly to
mostly cloudy.
.tuesday...south winds 5 to 10 knots. rain showers.
.wednesday...southwest winds 5 to 15 knots. rain showers during
the day, then rain showers likely with a chance of snow showers
wednesday night.
$$
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