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open lake forecast for lake ontario
national weather service buffalo ny
402 am est fri nov 14 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 29.3 inch low will move north across the canadian 
maritimes this morning. a 30.1 inch high will then briefly ridge 
south across the lake this afternoon and tonight as it slides east 
across southern quebec. a 29.2 inch low will track just north of the 
lake saturday afternoon while pushing an attendant warm front across 
the lake, with its cold front crossing the lake saturday night, 
before moving east into new england through the day on sunday. a 
trough averaging 29.6 inches then lingers over lake erie through 
monday. a 30.3 inch high will move into the upper great lakes 
tuesday.


loz062-141600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est fri nov 14 2025

.today...northwest winds 5 to 15 knots. waves 1 to 3 feet. 
.tonight...north winds 5 to 10 knots becoming southeast. waves
1 to 2 feet. 
.saturday...southeast winds 10 to 15 knots becoming south. a
chance of showers in the morning, then showers in the afternoon.
waves 1 to 2 feet. 
.saturday night...southwest winds 15 to 25 knots becoming west to
30 knots. showers. waves 1 to 3 feet building to 6 to 9 feet.
waves occasionally around 11 feet. 
.sunday...west winds to 30 knots becoming northwest. lake effect
rain showers likely during the day, then lake effect snow and
rain showers sunday night. waves 7 to 11 feet subsiding to 6 to
9 feet. waves occasionally around 14 feet. 
.monday...northwest winds 15 to 25 knots becoming west. snow
showers with a chance of rain showers during the day, then a
chance of rain showers monday night. waves 4 to 7 feet subsiding
to 2 to 4 feet. waves occasionally around 9 feet. 
.tuesday...northwest winds 10 to 15 knots. waves 1 to 3 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 am est fri nov 14 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 29.3 inch low will move north across the canadian 
maritimes this morning. a 30.1 inch high will then briefly ridge 
south across the lake this afternoon and tonight as it slides east 
across southern quebec. a 29.2 inch low will track just north of the 
lake saturday afternoon while pushing an attendant warm front across 
the lake, with its cold front crossing the lake saturday night, 
before moving east into new england through the day on sunday. a 
trough averaging 29.6 inches then lingers over lake erie through 
monday. a 30.3 inch high will move into the upper great lakes 
tuesday.


loz063-141600-
lake ontario open waters from hamlin beach to sodus bay-
402 am est fri nov 14 2025

.today...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers early. waves 3 to 5 feet subsiding
to 2 to 4 feet. 
.tonight...north winds 5 to 10 knots becoming east. waves 1 to
2 feet. 
.saturday...southeast winds 5 to 15 knots. rain showers in the
afternoon. waves 1 to 2 feet. 
.saturday night...southwest winds 15 to 25 knots becoming west to
30 knots. showers. waves 1 to 3 feet building to 7 to 10 feet.
waves occasionally around 13 feet. 
.sunday...west winds to 30 knots becoming northwest. lake effect
rain showers during the day, then lake effect rain and snow
showers sunday night. waves 10 to 13 feet subsiding to 8 to
11 feet. waves occasionally around 16 feet. 
.monday...northwest winds to 30 knots diminishing to 15 to
20 knots. snow showers with a chance of rain showers during the
day, then a chance of rain showers monday night. waves 5 to
9 feet subsiding to 3 to 6 feet. waves occasionally around
11 feet. 
.tuesday...northwest winds 10 to 15 knots. a chance of rain
showers. waves 2 to 4 feet subsiding to 1 to 2 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 am est fri nov 14 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 29.3 inch low will move north across the canadian 
maritimes this morning. a 30.1 inch high will then briefly ridge 
south across the lake this afternoon and tonight as it slides east 
across southern quebec. a 29.2 inch low will track just north of the 
lake saturday afternoon while pushing an attendant warm front across 
the lake, with its cold front crossing the lake saturday night, 
before moving east into new england through the day on sunday. a 
trough averaging 29.6 inches then lingers over lake erie through 
monday. a 30.3 inch high will move into the upper great lakes 
tuesday.


loz064-065-141600-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 am est fri nov 14 2025

.today...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of rain showers early. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.tonight...north winds 5 to 10 knots becoming east. waves 2 feet
or less. 
.saturday...southeast winds 5 to 15 knots increasing to 15 to
20 knots. rain showers in the afternoon. waves 1 to 3 feet. 
.saturday night...south winds 15 to 25 knots becoming west to
30 knots. showers. waves 2 to 4 feet building to 7 to 10 feet.
waves occasionally around 13 feet. 
.sunday...west winds to 30 knots becoming northwest. lake effect
rain showers with lake effect snow showers likely. waves 10 to
14 feet subsiding to 8 to 11 feet. waves occasionally around
18 feet. 
.monday...northwest winds to 30 knots diminishing to 15 to
25 knots. snow showers likely with a chance of rain showers
during the day, then a chance of rain showers monday night. waves
6 to 10 feet subsiding to 3 to 6 feet. waves occasionally around
13 feet. 
.tuesday...northwest winds 10 to 15 knots. a chance of rain
showers. waves 3 to 5 feet subsiding to 1 to 3 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
402 am est fri nov 14 2025


slz022-141600-
saint lawrence river from cape vincent to ogdensburg-
402 am est fri nov 14 2025

.today...northwest winds 10 knots or less. a chance of rain
showers late. 
.tonight...northwest winds less than 10 knots. mostly cloudy. 
.saturday...light and variable winds becoming southeast 5 to
10 knots. rain showers in the afternoon. 
.saturday night...southeast winds 5 to 15 knots becoming west.
rain showers. 
.sunday...west winds 10 to 15 knots. snow showers likely with
rain showers during the day, then a chance of snow showers sunday
night. 
.monday...west winds 5 to 15 knots. a chance of snow showers
during the day. 
.tuesday...west winds less than 10 knots. mostly cloudy. 

$$