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open lake forecast for lake ontario
national weather service buffalo ny
402 am est mon jan 12 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...the axis of surface-based ridging attendant to a 30.5 
inch high over the tennessee valley will slide out across new 
england today...while a surface trough averaging 29.8 inches passes 
just to the north of the lake. another 29.3 inch low will then move 
from western ontario tuesday to southern quebec wednesday. this 
system will push its trailing cold front across the lake wednesday 
night, when a secondary 29.4 inch coastal low will develop along the 
mid-atlantic coastline. this secondary low will then track northeast 
to the gulf of maine thursday and to newfoundland friday...while 
30.0 inch high pressure slowly builds east across the great lakes.


loz062-121600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est mon jan 12 2026

.today...southwest winds to 30 knots. a chance of snow showers
this morning. a chance of snow showers late. waves 6 to 9 feet
building to 8 to 12 feet. waves occasionally around 15 feet. 
.tonight...southwest winds 15 to 25 knots. a chance of snow
showers early. waves 7 to 10 feet subsiding to 3 to 6 feet. waves
occasionally around 13 feet. 
.tuesday...southwest winds 15 to 25 knots becoming south to
30 knots. 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 to 30 knots. a chance of rain
showers. waves 5 to 9 feet. waves occasionally around 11 feet. 
.wednesday...southwest winds 15 to 25 knots becoming north. a
chance of rain and snow showers during the day, then snow showers
likely wednesday night. waves 3 to 6 feet. 
.thursday...north winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. snow showers likely during the
day. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.friday...west winds 10 to 15 knots becoming south 15 to
20 knots. 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
402 am est mon jan 12 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...the axis of surface-based ridging attendant to a 30.5 
inch high over the tennessee valley will slide out across new 
england today...while a surface trough averaging 29.8 inches passes 
just to the north of the lake. another 29.3 inch low will then move 
from western ontario tuesday to southern quebec wednesday. this 
system will push its trailing cold front across the lake wednesday 
night, when a secondary 29.4 inch coastal low will develop along the 
mid-atlantic coastline. this secondary low will then track northeast 
to the gulf of maine thursday and to newfoundland friday...while 
30.0 inch high pressure slowly builds east across the great lakes.


loz063>065-121600-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am est mon jan 12 2026

.today...west winds to 30 knots. lake effect snow showers likely
this morning, then lake effect snow this afternoon. waves 6 to
9 feet building to 8 to 12 feet. waves occasionally around
15 feet. 
.tonight...west winds to 30 knots becoming southwest 15 to
25 knots. lake effect snow early, then lake effect snow showers
likely late in the evening. a chance of snow showers after
midnight. waves 8 to 11 feet subsiding to 4 to 7 feet. waves
occasionally around 14 feet. 
.tuesday...southwest winds 15 to 25 knots becoming south. a
chance of rain showers in the afternoon. waves 3 to 6 feet
subsiding to 2 to 4 feet. 
.tuesday night...south winds 20 to 25 knots becoming southwest.
rain showers likely. waves 3 to 6 feet building to 4 to 7 feet.
waves occasionally around 9 feet. 
.wednesday...southwest winds 15 to 25 knots becoming north. rain
showers likely with a chance of snow showers during the day, then
snow showers with rain showers likely wednesday night. waves 3 to
6 feet. 
.thursday...north winds 15 to 25 knots. snow showers 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 south. 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
327 am est mon jan 12 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 remain over the area before a
low pressure 29.30 inches moves east across the northern great
lakes on tuesday into wednesday. this system will move a cold
front east wednesday morning before a ridge averaging 30.00 inches
builds northeast late wednesday into thursday. another low
pressure 29.50 inches will move east through the region on friday
into this weekend. 


lez166>168-121515-
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-
327 am est mon jan 12 2026

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

$$

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open lake forecast for lake erie
national weather service cleveland oh
327 am est mon jan 12 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 remain over the area before a
low pressure 29.30 inches moves east across the northern great
lakes on tuesday into wednesday. this system will move a cold
front east wednesday morning before a ridge averaging 30.00 inches
builds northeast late wednesday into thursday. another low
pressure 29.50 inches will move east through the region on friday
into this weekend. 


lez061-169-121515-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
327 am est mon jan 12 2026

...gale warning in effect from 7 am est this morning through this
evening...

.today...southwest gales to 35 knots diminishing to 30 knots. a
slight chance of snow. waves 10 to 14 feet. waves occasionally
around 18 feet. 
.tonight...southwest winds to 30 knots diminishing to 15 to
25 knots. a slight chance of rain early. waves 9 to 12 feet
subsiding to 3 to 6 feet. waves occasionally around 15 feet. 
.tuesday...southwest winds 15 to 25 knots increasing to 30 knots.
waves 3 to 6 feet building to 4 to 7 feet. waves occasionally
around 9 feet. 
.tuesday night...southwest winds to 30 knots. rain likely. waves
5 to 8 feet. waves occasionally around 10 feet. 
.wednesday...southwest winds 15 to 20 knots becoming north. rain
likely during the day, then snow likely wednesday night. waves
3 to 6 feet subsiding to 2 to 4 feet. 
.thursday...north winds 15 to 20 knots becoming west 10 to
15 knots. a chance of snow during the day. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.friday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of snow friday night. waves 2 to 4 feet. 

$$