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open lake forecast for lake ontario
national weather service buffalo ny
702 pm est sun jan 11 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 29.4 inch low over nova scotia this evening will move 
northeast to newfoundland by monday while deepening to 28.3 inches. 
in its wake...a 30.5 inch high over the tennessee valley will 
briefly ridge across the lower lakes tonight...with its axis then 
sliding east across new england monday. another 29.3 inch low will 
then move from western ontario province tuesday to southern quebec 
wednesday. this system will push its trailing cold front across the 
lake wednesday night, with a secondary 29.4 inch coastal low then 
developing along the mid-atlantic coastline wednesday night and 
lingering just off the southern new england coast through thursday 
night.


loz062-120415-
lake ontario open waters from the niagara river to hamlin beach-
702 pm est sun jan 11 2026

.tonight...northwest winds to 30 knots becoming west. waves 8 to
12 feet subsiding to 6 to 9 feet. waves occasionally around
15 feet. 
.monday...west winds to 30 knots. a chance of snow showers. waves
5 to 9 feet. waves occasionally around 11 feet. 
.monday night...southwest winds 15 to 25 knots. a chance of rain
and snow showers in the evening. waves 5 to 8 feet subsiding to
3 to 6 feet. waves occasionally around 10 feet. 
.tuesday...southwest winds 15 to 25 knots becoming south. waves
3 to 5 feet. 
.tuesday night...southwest winds to 30 knots. rain showers
likely. waves 4 to 7 feet. waves occasionally around 9 feet. 
.wednesday...southwest winds 15 to 25 knots becoming north. a
chance of rain showers during the day, then a chance of snow and
rain showers wednesday night. waves 3 to 6 feet. 
.thursday...north winds 15 to 20 knots becoming northwest. a
chance of snow showers during the day. waves 3 to 6 feet
subsiding to 2 to 4 feet. 
.friday...northwest winds 10 to 15 knots becoming west. a chance
of snow showers friday night. waves 2 to 3 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
702 pm est sun jan 11 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 29.4 inch low over nova scotia this evening will move 
northeast to newfoundland by monday while deepening to 28.3 inches. 
in its wake...a 30.5 inch high over the tennessee valley will 
briefly ridge across the lower lakes tonight...with its axis then 
sliding east across new england monday. another 29.3 inch low will 
then move from western ontario province tuesday to southern quebec 
wednesday. this system will push its trailing cold front across the 
lake wednesday night, with a secondary 29.4 inch coastal low then 
developing along the mid-atlantic coastline wednesday night and 
lingering just off the southern new england coast through thursday 
night.


loz063>065-120415-
lake ontario open waters from hamlin beach to the saint lawrence
river-
702 pm est sun jan 11 2026

.tonight...northwest winds to 30 knots becoming west. a chance of
snow showers through the early overnight. waves 10 to 15 feet
subsiding to 9 to 12 feet. waves occasionally around 19 feet. 
.monday...west winds 15 to 25 knots increasing to 30 knots. a
chance of snow showers early, then lake effect snow showers from
late morning on. waves 5 to 9 feet building to 7 to 10 feet.
waves occasionally around 13 feet. 
.monday night...west winds to 30 knots diminishing to 15 to
25 knots. lake effect snow and rain showers. waves 6 to 10 feet
subsiding to 5 to 8 feet. waves occasionally around 13 feet. 
.tuesday...southwest winds 15 to 20 knots becoming south. a
chance of snow showers in the morning. waves 3 to 6 feet
subsiding to 2 to 4 feet. 
.tuesday night...south winds 15 to 25 knots becoming southwest.
rain showers likely. waves 3 to 6 feet. 
.wednesday...southwest winds 15 to 25 knots becoming north. rain
showers likely during the day, then snow and rain showers likely
wednesday night. waves 3 to 6 feet. 
.thursday...north winds 15 to 25 knots. snow showers likely
during the day, then a chance of snow showers thursday night.
waves 4 to 7 feet subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 
.friday...northwest winds 15 to 20 knots becoming southwest. a
chance of snow showers. waves 3 to 5 feet subsiding to 2 to
4 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
711 pm est sun jan 11 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 ridge averaging 30.20 inches will build over lake erie tonight 
and weaken on monday as a trough averaging 29.90 inches passes to 
the north. a warm front will cross the lake on tuesday ahead of
strong low pressure 29.30 inches crossing the upper midwest. 
this low will deepen to 29.20 inches and move through the 
northern lakes on wednesday and extend a cold front across the 
lake. a trough averaging 29.80 inches will linger over the lake
thursday and friday.


lez061-166>169-120915-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 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-
711 pm est sun jan 11 2026

.overnight...northwest winds to 30 knots becoming
southwest. waves 7 to 11 feet subsiding to 5 to 8 feet. waves
occasionally around 14 feet. 
.monday...southwest winds to 30 knots. a slight chance of snow
showers in the morning, then a chance of snow showers in the
afternoon. waves 4 to 7 feet building to 6 to 10 feet. waves
occasionally around 13 feet. 
.monday night...southwest winds 15 to 25 knots. a chance of snow
showers in the evening. waves 5 to 9 feet subsiding to 3 to
6 feet. waves occasionally around 11 feet. 
.tuesday...southwest winds 15 to 25 knots becoming south. a
chance of rain showers in the afternoon. waves 3 to 6 feet
building to 4 to 7 feet. waves occasionally around 9 feet. 
.tuesday night...southwest winds 15 to 25 knots. rain showers
likely in the evening, then a chance of rain showers overnight.
waves 5 to 8 feet. waves occasionally around 10 feet. 
.wednesday...southwest winds 15 to 25 knots becoming north. rain
showers likely during the day, then snow showers likely wednesday
night. waves 4 to 7 feet subsiding to 3 to 5 feet. waves
occasionally around 9 feet. 
.thursday...north winds 15 to 20 knots becoming northwest. a
chance of snow showers during the day. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.friday...west winds 10 to 15 knots becoming southwest. a chance
of snow showers. waves 3 to 6 feet. 

$$