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open lake forecast for lake ontario
national weather service buffalo ny
402 am 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 29.6 inch low over southern quebec will pivot a 
secondary cold front across the lake today...before giving way to a 
29.5 inch coastal low over the gulf of maine later this afternoon 
and evening. 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 out 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 coastal low then 
developing along the mid-atlantic coastline thursday.


loz062-111600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est sun jan 11 2026

...gale warning in effect through this evening...

.today...southwest gales to 35 knots becoming west. a chance of
snow showers late this morning. lake effect snow showers likely
early this afternoon, then a chance of snow showers late. waves
10 to 15 feet. waves occasionally around 19 feet. 
.tonight...northwest winds to 30 knots becoming west. waves 10 to
14 feet subsiding to 6 to 9 feet. waves occasionally around
18 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 snow
showers in the evening. waves 6 to 9 feet subsiding to 3 to
6 feet. waves occasionally around 11 feet. 
.tuesday...southwest winds 15 to 20 knots increasing to 30 knots.
a chance of rain showers tuesday night. waves 3 to 5 feet
building to 5 to 8 feet. waves occasionally around 10 feet. 
.wednesday...southwest winds 15 to 20 knots becoming north. a
chance of rain showers during the day, then a chance of snow
showers wednesday night. waves 3 to 6 feet subsiding to 3 to
5 feet. 
.thursday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of snow showers during the day. waves 3 to
5 feet subsiding to 2 to 3 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 am 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 29.6 inch low over southern quebec will pivot a 
secondary cold front across the lake today...before giving way to a 
29.5 inch coastal low over the gulf of maine later this afternoon 
and evening. 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 out 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 coastal low then 
developing along the mid-atlantic coastline thursday.


loz063>065-111600-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am est sun jan 11 2026

...gale warning in effect through this evening...

.today...southwest gales to 35 knots becoming west. a chance of
snow showers late this morning. lake effect snow showers likely
this afternoon. waves 11 to 16 feet building to 13 to 17 feet.
waves occasionally around 22 feet. 
.tonight...northwest gales to 35 knots diminishing to 30 knots. a
chance of snow showers in the evening. waves 13 to 17 feet
subsiding to 9 to 12 feet. waves occasionally around 22 feet. 
.monday...west winds 15 to 25 knots increasing to 30 knots. a
chance of snow showers in the morning, then lake effect snow
showers likely in the afternoon. 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. snow showers likely in the evening, then a chance of
snow showers overnight. waves 6 to 10 feet subsiding to 5 to
8 feet. waves occasionally around 13 feet. 
.tuesday...southwest winds 15 to 25 knots. a chance of snow
showers during the day, then rain showers likely tuesday night.
waves 3 to 6 feet. 
.wednesday...southwest winds 15 to 20 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 20 knots. a chance of snow showers
during the day. 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
320 am 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...
low pressure 29.60 inches over the georgian bay will exit east
today and allow for a secondary cold front to cross the lake early
this afternoon. a ridge averaging 30.20 inches will build over the
lake 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. strong low pressure 29.20 inches will move through the
northern lakes on wednesday and extend a cold front across the
lake.


lez061-166>169-111545-
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-
320 am est sun jan 11 2026

...gale warning in effect through this evening...

.today...west gales to 35 knots becoming northwest. a chance of
snow. waves 10 to 15 feet. waves occasionally around 19 feet. 
.tonight...northwest winds to 30 knots becoming southwest 15 to
25 knots. a slight chance of snow early. waves 9 to 12 feet
subsiding to 5 to 8 feet. waves occasionally around 15 feet. 
.monday...southwest winds to 30 knots. waves 4 to 7 feet building
to 6 to 10 feet. waves occasionally around 13 feet. 
.monday night...southwest winds 15 to 25 knots. waves 5 to 9 feet
subsiding to 3 to 6 feet. waves occasionally around 11 feet. 
.tuesday...southwest winds 15 to 20 knots increasing to 30 knots.
a chance of rain tuesday night. waves 3 to 5 feet building to
5 to 8 feet. waves occasionally around 10 feet. 
.wednesday...west winds 15 to 20 knots becoming north. rain and
snow likely during the day, then a chance of snow 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. waves
3 to 5 feet subsiding to 2 to 4 feet. 

$$