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(1/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 11/20/2025 4:02 PM America/New_York.
Valid through 11/20/2025 11:00 PM America/New_York.
fzus61 kbuf 202102
glflo
expires:202511210400;;214115
open lake forecast for lake ontario
national weather service buffalo ny
402 pm est thu nov 20 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 30.3 inch high over the lower great lakes will slide
out across new england through tonight. a 29.5 inch surface low near
james bay will swing a cold front east across the lake friday, with
a 30.1 inch high building over the ohio valley and lower great lakes
saturday. a 29.5 inch low will then move from northern ontario to
james bay sunday, while pushing its warm front across the lake
saturday night, followed by its trailing cold front sunday. a 30.2
inch high is forecast to build across the ohio valley monday.
loz062-210400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est thu nov 20 2025
.tonight...southeast winds 5 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet.
.friday...southwest winds 15 to 20 knots becoming west. waves
3 to 6 feet.
.friday night...west winds 10 to 15 knots becoming northwest.
waves 2 to 4 feet.
.saturday...northwest winds 5 to 15 knots. waves 1 to 2 feet.
.saturday night...northwest winds 5 to 10 knots becoming
southwest. waves around 1 foot.
.sunday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 1 to 3 feet building to 2 to 4 feet.
.monday...west winds 10 to 15 knots becoming southeast. a chance
of showers monday night. waves 1 to 3 feet.
.tuesday...southeast winds 10 to 15 knots becoming southwest
15 to 20 knots. rain during the day, then showers likely tuesday
night. waves 1 to 3 feet building to 2 to 4 feet.
$$
(2/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 11/20/2025 4:02 PM America/New_York.
Valid through 11/20/2025 11:00 PM America/New_York.
fzus61 kbuf 202102
glflo
expires:202511210400;;214116
open lake forecast for lake ontario
national weather service buffalo ny
402 pm est thu nov 20 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 30.3 inch high over the lower great lakes will slide
out across new england through tonight. a 29.5 inch surface low near
james bay will swing a cold front east across the lake friday, with
a 30.1 inch high building over the ohio valley and lower great lakes
saturday. a 29.5 inch low will then move from northern ontario to
james bay sunday, while pushing its warm front across the lake
saturday night, followed by its trailing cold front sunday. a 30.2
inch high is forecast to build across the ohio valley monday.
loz063-210400-
lake ontario open waters from hamlin beach to sodus bay-
402 pm est thu nov 20 2025
.tonight...southeast winds 5 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet.
.friday...southwest winds 15 to 20 knots becoming west. waves
2 to 4 feet building to 3 to 6 feet.
.friday night...west winds 15 to 20 knots becoming northwest
10 to 15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet.
.saturday...northwest winds 10 to 15 knots. waves 1 to 3 feet.
.saturday night...northwest winds 5 to 10 knots becoming west.
waves 1 to 2 feet.
.sunday...southwest winds 10 to 15 knots becoming west 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet.
.monday...northwest winds 15 to 20 knots becoming southeast.
waves 3 to 5 feet subsiding to 1 to 3 feet.
.tuesday...southeast winds 15 to 20 knots becoming south. rain
likely during the day, then showers likely tuesday night. waves
2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to
4 feet.
$$
(3/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 11/20/2025 4:02 PM America/New_York.
Valid through 11/20/2025 11:00 PM America/New_York.
fzus61 kbuf 202102
glflo
expires:202511210400;;214117
open lake forecast for lake ontario
national weather service buffalo ny
402 pm est thu nov 20 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 30.3 inch high over the lower great lakes will slide
out across new england through tonight. a 29.5 inch surface low near
james bay will swing a cold front east across the lake friday, with
a 30.1 inch high building over the ohio valley and lower great lakes
saturday. a 29.5 inch low will then move from northern ontario to
james bay sunday, while pushing its warm front across the lake
saturday night, followed by its trailing cold front sunday. a 30.2
inch high is forecast to build across the ohio valley monday.
loz064-065-210400-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 pm est thu nov 20 2025
.tonight...southeast winds 5 to 15 knots becoming southwest 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet.
.friday...south winds 15 to 25 knots becoming west. a chance of
showers late in the morning. waves 3 to 6 feet building to 4 to
7 feet. waves occasionally around 9 feet.
.friday night...west winds 15 to 20 knots becoming northwest
10 to 15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet.
.saturday...north winds 5 to 15 knots becoming northwest. waves
1 to 3 feet.
.saturday night...northwest winds 5 to 10 knots becoming west.
waves 2 feet or less.
.sunday...southwest winds 10 to 15 knots becoming northwest 15 to
20 knots. a chance of rain showers. waves 1 to 3 feet building to
3 to 5 feet.
.monday...northwest winds 15 to 20 knots becoming southeast.
waves 3 to 5 feet subsiding to 1 to 3 feet.
.tuesday...southeast winds 15 to 25 knots becoming south. rain
likely during the day, then showers tuesday night. waves 2 to
4 feet building to 3 to 6 feet.
$$
(4/4)
Latest Great Lakes Marine Forecast by KCLE
Issued 11/20/2025 2:34 PM America/New_York.
Valid through 11/20/2025 10:15 PM America/New_York.
fzus61 kcle 201934
glfle
expires:202511210315;;211119
open lake forecast for lake erie
national weather service cleveland oh
234 pm est thu nov 20 2025
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
a cold front will move east across lake erie late friday and
friday evening with high pressure 30.20 inches building over the
great lakes in its wake on saturday. a warm front lift across the
lake late saturday into sunday, followed by another cold front on
late sunday into early monday.
lez061-168-169-210315-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
234 pm est thu nov 20 2025
.tonight...south winds 5 to 15 knots becoming southwest 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet.
.friday...southwest winds 15 to 20 knots becoming west. waves
2 to 4 feet building to 3 to 5 feet.
.friday night...west winds 10 to 15 knots becoming north. waves
2 to 4 feet subsiding to 1 to 2 feet.
.saturday...north winds 5 to 15 knots becoming northwest. waves
1 to 3 feet subsiding to 1 foot or less.
.saturday night...northwest winds 5 to 15 knots becoming
southwest. waves 2 feet or less.
.sunday...southwest winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet.
.monday...west winds 5 to 15 knots becoming southeast. a chance
of rain monday night. waves 1 to 3 feet.
.tuesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. rain. waves 2 to 4 feet building to 3 to 5 feet.
$$
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