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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est sun jan 18 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 will move from near lake superior 
tonight to central quebec by later monday night, while pushing an 
arctic cold front across the lake monday afternoon. a 30.5 inch high 
will then slide east across the southeastern states tuesday and 
tuesday night, with a 29.8 inch low then making its way across the 
central great lakes wednesday, to central quebec thursday, and 
across atlantic canada friday.


loz062-191000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est sun jan 18 2026

...gale warning in effect from 7 am est monday through late
tuesday night...
...heavy freezing spray warning in effect from 7 am est monday
through late tuesday night...

.rest of tonight...southwest winds 15 to 20 knots. a chance of
snow showers late this evening, then snow showers likely after
midnight. lake effect snow late. waves 3 to 5 feet. 
.monday...southwest winds 15 to 20 knots becoming west and
increasing to 40 knot gales in the afternoon. heavy freezing
spray. lake effect snow early, then snow showers likely late in
the morning. a chance of snow showers in the afternoon. waves
3 to 6 feet building to 12 to 16 feet. waves occasionally around
20 feet. 
.monday night...west gales to 40 knots diminishing to 30 knots.
heavy freezing spray. a chance of snow showers in the evening,
then lake effect snow overnight. waves 12 to 17 feet subsiding to
10 to 15 feet. waves occasionally around 22 feet. 
.tuesday...west winds to 30 knots. heavy freezing spray. lake
effect snow showers likely. waves 9 to 13 feet. waves
occasionally around 16 feet. 
.tuesday night...west winds to 30 knots becoming southwest. heavy
freezing spray. snow showers likely in the evening, then a chance
of snow showers overnight. waves 8 to 12 feet subsiding to 5 to
9 feet. waves occasionally around 15 feet. 
.wednesday...south winds to 30 knots becoming west. snow showers
likely. waves 3 to 6 feet building to 7 to 11 feet. waves
occasionally around 14 feet. 
.thursday...west winds to 30 knots. a chance of snow showers.
waves 8 to 12 feet subsiding to 7 to 10 feet. waves occasionally
around 15 feet. 
.friday...west winds 15 to 20 knots. a chance of snow showers.
waves 5 to 8 feet subsiding to 3 to 5 feet. waves occasionally
around 10 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est sun jan 18 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 will move from near lake superior 
tonight to central quebec by later monday night, while pushing an 
arctic cold front across the lake monday afternoon. a 30.5 inch high 
will then slide east across the southeastern states tuesday and 
tuesday night, with a 29.8 inch low then making its way across the 
central great lakes wednesday, to central quebec thursday, and 
across atlantic canada friday.


loz063>065-191000-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm est sun jan 18 2026

...gale warning in effect from 7 am est monday through late
tuesday night...
...heavy freezing spray warning in effect from 7 am est monday
through late tuesday night...

.rest of tonight...southwest winds 15 to 20 knots. a chance of
snow showers, then snow showers likely late. waves 3 to 6 feet. 
.monday...southwest winds to 30 knots increasing to 40 knot gales
in the afternoon. heavy freezing spray. snow showers likely
through early afternoon, then lake effect snow late. waves 5 to
8 feet building to 13 to 17 feet. waves occasionally around
22 feet. 
.monday night...west gales to 40 knots diminishing to 30 knots.
heavy freezing spray. lake effect snow. waves 15 to 20 feet
subsiding to 12 to 16 feet. waves occasionally around 26 feet. 
.tuesday...west winds to 30 knots increasing to 35 knot gales.
heavy freezing spray. lake effect snow. waves 10 to 15 feet.
waves occasionally around 19 feet. 
.tuesday night...west winds to 30 knots becoming southwest. heavy
freezing spray. lake effect snow. waves 10 to 15 feet subsiding
to 7 to 11 feet. waves occasionally around 19 feet. 
.wednesday...south winds to 30 knots becoming southwest. snow
showers likely. waves 5 to 8 feet building to 10 to 13 feet.
waves occasionally around 16 feet. 
.thursday...west gales to 35 knots diminishing to 30 knots. snow
showers likely. waves 10 to 14 feet. waves occasionally around
18 feet. 
.friday...west winds 15 to 25 knots. snow showers likely during
the day, then a chance of snow showers friday night. waves 7 to
10 feet subsiding to 3 to 6 feet. waves occasionally around
13 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
1005 pm est sun jan 18 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 29.50 inches will move east through the great lakes
on monday, pulling an arctic cold front across lake erie. high 
pressure 30.40 inches will quickly build southeast across the 
midwest and ohio valley on tuesday. another low pressure 29.90 
inches will move east through the great lakes on wednesday,
lifting a warm front across the lake early wednesday morning 
followed by a cold front wednesday afternoon and evening.


lez061-190915-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
1005 pm est sun jan 18 2026

...gale warning in effect from 7 am est monday through tuesday
morning...
...heavy freezing spray warning in effect from 7 am est monday
through tuesday morning...

.rest of tonight...southwest winds 15 to 25 knots. a chance of
snow, then snow likely late. waves 3 to 6 feet building to 4 to
7 feet. waves occasionally around 9 feet. 
.monday...southwest winds to 30 knots becoming west and
increasing to 40 knot gales in the afternoon. snow. heavy
freezing spray in the afternoon. waves 5 to 8 feet building to
10 to 15 feet. waves occasionally around 19 feet. 
.monday night...west gales to 35 knots. heavy freezing spray.
snow. waves 10 to 15 feet subsiding to 8 to 11 feet. waves
occasionally around 19 feet. 
.tuesday...west winds to 30 knots. heavy freezing spray. snow.
waves 7 to 11 feet. waves occasionally around 14 feet. 
.tuesday night...southwest winds 15 to 25 knots. heavy freezing
spray in the evening. snow. waves 7 to 10 feet subsiding to 5 to
8 feet. waves occasionally around 13 feet. 
.wednesday...south winds 15 to 25 knots becoming west to
30 knots. snow likely. waves 3 to 6 feet building to 6 to
10 feet. waves occasionally around 13 feet. 
.thursday...west winds to 30 knots. snow likely during the day,
then a chance of snow thursday night. waves 6 to 10 feet. waves
occasionally around 13 feet. 
.friday...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of snow. waves 3 to 6 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
1005 pm est sun jan 18 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 29.50 inches will move east through the great lakes
on monday, pulling an arctic cold front across lake erie. high 
pressure 30.40 inches will quickly build southeast across the 
midwest and ohio valley on tuesday. another low pressure 29.90 
inches will move east through the great lakes on wednesday,
lifting a warm front across the lake early wednesday morning 
followed by a cold front wednesday afternoon and evening.


lez166>169-190915-
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-
1005 pm est sun jan 18 2026

...gale warning in effect from 7 am est monday through late
monday night...
...heavy freezing spray warning in effect from 7 am est monday
through late monday night...

.rest of tonight...southwest winds 15 to 25 knots. a chance of
snow late this evening, then snow after midnight. waves 3 to
6 feet. 
.monday...southwest winds to 30 knots becoming west and
increasing to 40 knot gales in the afternoon. snow. heavy
freezing spray from late morning on. waves 5 to 8 feet building
to 12 to 16 feet. waves occasionally around 20 feet. 
.monday night...west gales to 35 knots becoming southwest and
diminishing to 30 knots. heavy freezing spray. snow. waves 10 to
15 feet subsiding to 8 to 12 feet. waves occasionally around
19 feet. 
.tuesday...southwest winds to 30 knots. heavy freezing spray.
snow. waves 7 to 11 feet. waves occasionally around 14 feet. 
.tuesday night...southwest winds 15 to 25 knots becoming south.
heavy freezing spray in the evening. a chance of snow. waves 7 to
10 feet subsiding to 3 to 6 feet. waves occasionally around
13 feet. 
.wednesday...south winds to 30 knots becoming west. snow likely.
waves 4 to 7 feet building to 6 to 9 feet. waves occasionally
around 11 feet. 
.thursday...west winds to 30 knots diminishing to 15 to 20 knots.
heavy freezing spray. snow likely during the day, then a chance
of snow thursday night. waves 6 to 10 feet subsiding to 4 to
7 feet. waves occasionally around 13 feet. 
.friday...southwest winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of snow. waves 3 to 6 feet subsiding to 1 to
3 feet. 

$$