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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. 

$$

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. 

$$

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. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
316 am est sat nov 22 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 build over the great lakes today
before a warm front lifts across the lake tonight. a cold front
will move east on sunday. high pressure 30.30 inches will build 
over the lake sunday night into monday. another low pressure
29.70 inches will move into the region on tuesday, moving a warm
front north early tuesday followed by another cold front tuesday
night into wednesday. a surface trough averaging 29.90 inches will
linger through friday.


lez061-168-169-221545-
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-
316 am est sat nov 22 2025

.today...north winds 10 knots or less becoming northwest. waves
2 feet or less. 
.tonight...west winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots after midnight. waves 2 feet or less
building to 2 to 4 feet. 
.sunday...southwest winds to 30 knots becoming west. a chance of
rain in the morning. waves 4 to 7 feet building to 6 to 9 feet.
waves occasionally around 11 feet. 
.sunday night...west winds 15 to 25 knots diminishing to 10 to
15 knots. waves 5 to 8 feet subsiding to 2 to 4 feet. waves
occasionally around 10 feet. 
.monday...southwest winds 5 to 15 knots becoming south. a chance
of rain monday night. waves 1 to 2 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest. rain.
waves 2 to 4 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west to
30 knots. a chance of rain during the day, then a chance of rain
and snow wednesday night. waves 5 to 8 feet building to 7 to
11 feet. waves occasionally around 14 feet. 

$$