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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est thu jan 1 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 29.1 inch coastal low near southern new brunswick 
tonight will deepen to 28.8 inches as it moves north across the 
canadian maritimes through friday, then to northern quebec by 
saturday. a 30.3 inch high will then build from the western great 
lakes sunday to the lower great lakes by early monday. a 29.9 inch 
low may move across the lake tuesday.


loz062-020400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est thu jan 1 2026

.tonight...west winds 20 to 25 knots. lake effect snow likely
through the early overnight, then a chance of snow showers late.
waves 6 to 10 feet subsiding to 5 to 8 feet. waves occasionally
around 13 feet. 
.friday...west winds 15 to 20 knots. a chance of snow showers.
waves 5 to 7 feet. waves occasionally around 9 feet. 
.friday night...west winds 15 to 20 knots. a chance of snow
showers. waves 4 to 7 feet. waves occasionally around 9 feet. 
.saturday...west winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of snow showers. waves 4 to 7 feet subsiding
to 1 to 2 feet. waves occasionally around 9 feet. 
.saturday night...west winds 5 to 15 knots. snow showers likely.
waves 1 to 2 feet. 
.sunday...northwest winds 10 to 15 knots becoming north 5 to
10 knots. snow showers likely during the day, then a chance of
snow showers sunday night. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.monday...southeast winds 5 to 10 knots becoming southwest. snow
showers likely. waves 1 foot or less. 
.tuesday...south winds 5 to 15 knots becoming southwest. a chance
of rain showers. waves 1 to 2 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est thu jan 1 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 29.1 inch coastal low near southern new brunswick 
tonight will deepen to 28.8 inches as it moves north across the 
canadian maritimes through friday, then to northern quebec by 
saturday. a 30.3 inch high will then build from the western great 
lakes sunday to the lower great lakes by early monday. a 29.9 inch 
low may move across the lake tuesday.


loz063>065-020400-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm est thu jan 1 2026

.tonight...west winds to 30 knots diminishing to 15 to 25 knots.
lake effect snow. waves 6 to 10 feet. waves occasionally around
13 feet. 
.friday...northwest winds 15 to 20 knots becoming west. lake
effect snow. waves 5 to 8 feet. waves occasionally around
10 feet. 
.friday night...west winds 15 to 25 knots. lake effect snow.
waves 5 to 8 feet. waves occasionally around 10 feet. 
.saturday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. lake effect snow showers likely. waves 4 to 7 feet
subsiding to 1 to 3 feet. waves occasionally around 9 feet. 
.saturday night...northwest winds 5 to 10 knots. snow showers
likely. waves 2 feet or less. 
.sunday...northwest winds 10 to 15 knots becoming north 5 to
10 knots. snow showers likely during the day, then a chance of
snow showers sunday night. waves 1 to 3 feet building to 3 to
5 feet, then subsiding to 2 to 4 feet. 
.monday...southeast winds 5 to 15 knots becoming south. snow
showers likely. waves 2 feet or less. 
.tuesday...south winds 10 to 15 knots increasing to 15 to
20 knots. a chance of rain showers during the day, then rain
showers likely tuesday night. waves 1 to 3 feet building to 2 to
4 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
402 pm est thu jan 1 2026


slz022-024-020400-
saint lawrence river from cape vincent to saint regis
402 pm est thu jan 1 2026

.tonight...southwest winds 5 to 10 knots becoming light and
variable. partly to mostly cloudy. 
.friday...light and variable winds. mostly sunny. 
.friday night...west winds less than 10 knots. partly cloudy in
the evening, then becoming mostly cloudy. 
.saturday...west winds less than 10 knots. mostly sunny. 
.saturday night...light and variable winds. a chance of snow
showers. 
.sunday...north winds less than 10 knots. a chance of snow
showers during the day. 
.monday...light and variable winds. a chance of snow showers. 
.tuesday...east winds 10 knots or less becoming south. snow and
rain showers likely tuesday night. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
324 pm est thu jan 1 2026

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 trough averaging 29.80 inches will pass southeast across lake 
erie late tonight into early friday. high pressure 30.10 inches 
will build into the great lakes over the weekend into early next 
week.


lez061-168-169-020315-
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-
324 pm est thu jan 1 2026

.tonight...west winds 20 to 25 knots. a chance of snow early,
then snow from late evening on. waves 4 to 6 feet. 
.friday...west winds 15 to 25 knots. snow early, then a chance of
snow late in the morning. a slight chance of snow in the
afternoon. waves 3 to 6 feet. 
.friday night...west winds 15 to 20 knots. waves 3 to 5 feet. 
.saturday...west winds 5 to 15 knots. waves 1 to 3 feet. 
.saturday night...west winds 5 to 15 knots. a chance of snow.
waves 1 to 2 feet. 
.sunday...northwest winds 5 to 15 knots becoming southwest. waves
1 to 3 feet. 
.monday...south winds 10 to 15 knots becoming southwest. a chance
of snow during the day. waves 1 to 2 feet. 
.tuesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of rain. waves 1 to 2 feet. 

$$