944
FZUS61 KBUF 121446
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
946 AM EST Wed Feb 12 2025

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 30.5 inch high will build from southern Quebec
today into the Canadian Maritimes by early Thursday. Meanwhile, a
29.6 inch low will move into the Ohio Valley this evening, then
reach the Saint Lawrence Valley Thursday before moving into the
Canadian Maritimes Friday. A 30.6 inch high will build across the
Ohio Valley Friday, then drift off the east coast Saturday. Low
pressure across Tennessee on Saturday will deepen to 29.2 inches
as it tracks into western New England during Sunday.

LOZ062-122230-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
946 AM EST Wed Feb 12 2025

...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY
EVENING...

.REST OF TODAY...East winds to 30 knots. A chance of snow showers
late this morning. Snow likely late. Waves 5 to 8 feet building
to 7 to 10 feet. Waves occasionally around 13 feet.
.TONIGHT...East winds to 30 knots becoming southeast and
diminishing to 15 to 20 knots. Snow in the evening, then rain,
sleet and snow after midnight. Rain late. Waves 8 to 11 feet
subsiding to 3 to 6 feet. Waves occasionally around 14 feet.
.THURSDAY...South winds 15 to 20 knots becoming west and
increasing to 35 knot gales in the afternoon. Rain in the
morning, then a chance of snow showers in the afternoon. Waves
1 to 3 feet building to 10 to 15 feet. Waves occasionally around
19 feet.
.THURSDAY NIGHT...West gales to 35 knots. A chance of snow
showers. Waves 10 to 14 feet subsiding to 7 to 10 feet. Waves
occasionally around 18 feet.
.FRIDAY...West winds to 30 knots becoming southeast and
diminishing to 10 to 15 knots. Snow showers likely during the
day, then a chance of snow showers Friday night. Waves 7 to
10 feet subsiding to 1 to 2 feet. Waves occasionally around
13 feet.
.SATURDAY...Southeast winds 10 to 15 knots becoming northeast
15 to 20 knots. Snow. Waves 1 to 2 feet building to 2 to 4 feet.
.SUNDAY...Northeast winds 15 to 25 knots becoming northwest. Snow
during the day, then a chance of snow showers Sunday night. Waves
3 to 5 feet building to 5 to 8 feet. Waves occasionally around
10 feet.

$$

LOZ063>065-122230-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
946 AM EST Wed Feb 12 2025

...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY
EVENING...

.REST OF TODAY...Northeast winds 15 to 25 knots. A chance of snow
showers late. Waves 3 to 6 feet building to 4 to 7 feet. Waves
occasionally around 9 feet.
.TONIGHT...East winds to 30 knots becoming southeast 15 to
25 knots. Snow and sleet with freezing rain likely in the
evening, then rain, sleet and freezing rain after midnight. Waves
5 to 9 feet subsiding to 3 to 6 feet. Waves occasionally around
11 feet.
.THURSDAY...South winds 15 to 25 knots becoming west and
increasing to 35 knot gales in the afternoon. Rain and freezing
rain in the morning, then snow with a chance of rain showers in
the afternoon. Waves 3 to 6 feet building to 13 to 17 feet. Waves
occasionally around 22 feet.
.THURSDAY NIGHT...West gales to 35 knots becoming northwest and
diminishing to 30 knots. Snow showers likely. Waves 12 to 17 feet
subsiding to 8 to 11 feet. Waves occasionally around 22 feet.
.FRIDAY...West winds to 30 knots becoming south and diminishing
to 10 to 15 knots. Snow showers likely during the day, then a
chance of snow showers Friday night. Waves 8 to 11 feet subsiding
to 1 to 3 feet. Waves occasionally around 14 feet.
.SATURDAY...Southeast winds 15 to 20 knots becoming northeast.
Snow. Waves 1 to 3 feet building to 2 to 4 feet.
.SUNDAY...Northeast winds 15 to 25 knots becoming northwest to
30 knots. Snow. Waves 3 to 6 feet building to 7 to 10 feet. Waves
occasionally around 13 feet.

$$

LOZ061-122230-
MAFOR 1216/
ONTARIO WEST 1/2 12230 12247 11237 11326 11416 11536. Waves 5 to
8 feet building to 7 to 10 feet, and occasionally around 13 feet
this afternoon. Waves 8 to 11 feet subsiding to 3 to 6 feet, and
occasionally around 14 feet tonight. Waves 2 to 4 feet building
to 3 to 5 feet Thursday morning.

ONTARIO EAST 1/2 12130 11247 11237 11337 11336 12436. A chance of
snow showers this afternoon. Waves 3 to 6 feet this afternoon.
Waves 5 to 8 feet subsiding to 3 to 6 feet, and occasionally
around 10 feet tonight. Waves 3 to 6 feet Thursday morning.

$$