fzus61 kbuf 182102
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open lake forecast for lake ontario
national weather service buffalo ny
402 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.


loz062-190400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm 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...

.tonight...southwest winds 15 to 20 knots. a chance of snow
showers 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. snow showers likely in the morning, then 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. 

$$

fzus61 kbuf 182102
glflo 
expires:202601190400;;119476

open lake forecast for lake ontario
national weather service buffalo ny
402 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>065-190400-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm 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...

.tonight...southwest winds 15 to 20 knots. a chance of snow
showers through the early overnight, 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. 

$$