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open lake forecast for lake ontario
national weather service buffalo ny
437 am 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, then into central quebec thursday.


loz062-181600-
lake ontario open waters from the niagara river to hamlin beach-
437 am est sun jan 18 2026

...gale warning in effect from monday morning through late
tuesday night...
...heavy freezing spray warning in effect from monday morning
through late tuesday night...

.today...southwest winds 15 to 25 knots. a chance of snow showers
early. a chance of snow showers late. waves 5 to 9 feet subsiding
to 3 to 6 feet. waves occasionally around 11 feet. 
.tonight...southwest winds 15 to 20 knots. a chance of snow
showers in the evening, then lake effect snow showers after
midnight. waves 3 to 5 feet. 
.monday...southwest winds to 30 knots becoming west and
increasing to 40 knot gales in the afternoon. heavy freezing
spray. lake effect snow showers likely. 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. lake effect snow showers. waves 11 to
16 feet subsiding to 10 to 13 feet. waves occasionally around
20 feet. 
.tuesday...west gales to 35 knots becoming southwest and
diminishing to 30 knots. heavy freezing spray. lake effect snow
showers. waves 9 to 13 feet subsiding to 7 to 10 feet. waves
occasionally around 16 feet. 
.wednesday...southwest winds to 30 knots becoming west and
increasing to 35 knot gales. snow showers likely. waves 4 to
7 feet building to 9 to 13 feet. waves occasionally around
16 feet. 
.thursday...west gales to 35 knots diminishing to 30 knots. a
chance of snow showers. waves 9 to 13 feet subsiding to 7 to
10 feet. waves occasionally around 16 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
437 am 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, then into central quebec thursday.


loz063>065-181600-
lake ontario open waters from hamlin beach to the saint lawrence
river-
437 am est sun jan 18 2026

...gale warning in effect from monday morning through late
tuesday night...
...heavy freezing spray warning in effect from monday morning
through late tuesday night...

.today...southwest winds to 30 knots diminishing to 15 to
25 knots. a chance of snow showers through early afternoon, then
snow showers likely late. waves 6 to 10 feet subsiding to 3 to
6 feet. waves occasionally around 13 feet. 
.tonight...southwest winds 15 to 25 knots. a chance of snow
showers through the early overnight, then lake effect 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. lake effect snow showers
likely. waves 4 to 7 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 showers. waves 15 to
20 feet subsiding to 12 to 16 feet. waves occasionally around
26 feet. 
.tuesday...west gales to 35 knots becoming southwest and
diminishing to 30 knots. heavy freezing spray. lake effect snow
showers. waves 10 to 15 feet subsiding to 8 to 11 feet. waves
occasionally around 19 feet. 
.wednesday...south winds to 30 knots becoming southwest and
increasing to 35 knot gales. snow showers likely. waves 5 to
9 feet building to 10 to 15 feet. waves occasionally around
19 feet. 
.thursday...west gales to 35 knots diminishing to 30 knots. a
chance of snow showers. waves 10 to 15 feet subsiding to 9 to
12 feet. waves occasionally around 19 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
309 am 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, extending a cold front across the area. 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, followed by a
lingering trough averaging 30.10 inches on thursday.


lez061-181515-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
309 am est sun jan 18 2026

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

.today...southwest winds 15 to 25 knots. a chance of snow showers
early, then a slight chance of snow showers from late morning on.
waves 5 to 8 feet subsiding to 3 to 5 feet. waves occasionally
around 10 feet. 
.tonight...southwest winds 15 to 25 knots. a chance of snow
showers through the early overnight, then snow showers 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 35 knot gales in the afternoon. snow showers. 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 diminishing to 30 knots.
heavy freezing spray. snow showers. waves 10 to 15 feet subsiding
to 9 to 12 feet. waves occasionally around 19 feet. 
.tuesday...southwest winds to 30 knots diminishing to 15 to
20 knots. heavy freezing spray during the day. snow showers.
waves 7 to 11 feet subsiding to 4 to 7 feet. waves occasionally
around 14 feet. 
.wednesday...south winds to 30 knots becoming west. snow showers
likely. waves 4 to 7 feet building to 7 to 11 feet. waves
occasionally around 14 feet. 
.thursday...west winds 15 to 25 knots. a chance of snow showers.
waves 6 to 9 feet subsiding to 4 to 7 feet. waves occasionally
around 11 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
309 am 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, extending a cold front across the area. 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, followed by a
lingering trough averaging 30.10 inches on thursday.


lez166>169-181515-
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-
309 am est sun jan 18 2026

...gale warning in effect from monday morning through late monday
night...
...heavy freezing spray warning in effect from monday morning
through late monday night...

.today...southwest winds 15 to 25 knots. a slight chance of snow
showers this morning. waves 4 to 7 feet subsiding to 3 to 6 feet.
waves occasionally around 9 feet. 
.tonight...southwest winds 15 to 25 knots. a slight chance of
snow showers early, then a chance of snow showers late in the
evening. snow showers likely after midnight. waves 2 to 4 feet
building to 3 to 6 feet. 
.monday...southwest winds to 30 knots becoming west and
increasing to 35 knot gales in the afternoon. snow showers in the
morning, then a chance of snow showers in the afternoon. 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 diminishing to 30 knots.
heavy freezing spray. snow showers. waves 10 to 14 feet. waves
occasionally around 18 feet. 
.tuesday...southwest winds to 30 knots diminishing to 15 to
25 knots. heavy freezing spray during the day. snow showers
likely during the day, then a chance of snow showers tuesday
night. waves 7 to 11 feet subsiding to 4 to 7 feet. waves
occasionally around 14 feet. 
.wednesday...south winds to 30 knots becoming west. snow showers
likely during the day, then a chance of snow showers wednesday
night. waves 5 to 9 feet. waves occasionally around 11 feet. 
.thursday...west winds to 30 knots becoming southwest 15 to
25 knots. a chance of snow showers during the day. waves 5 to
8 feet subsiding to 3 to 6 feet. waves occasionally around
10 feet. 

$$