288
FZUS61 KBUF 230215
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1014 PM EDT Sat Mar 22 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...Behind a recently departed cold front a 30.1 inch high
will move from the upper Great Lakes this evening to the lower Great
Lakes by tomorrow morning before drifting off the eastern seaboard
Sunday night. A 29.4 inch surface low over the upper Great Lakes
Sunday night will weaken to 29.7 inches by Monday night as it
reaches southern Quebec, moving farther east into the Canadian
Maritimes Tuesday. Wednesday, a 30.1 inch surface high pressure will
ease across the Great Lakes region, likely crossing the lake
Thursday morning.

LOZ062-230900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1014 PM EDT Sat Mar 22 2025

.REST OF TONIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 15 knots. Waves 5 to 8 feet subsiding to 2 to 4 feet. Waves
occasionally around 10 feet.
.SUNDAY...Northwest winds 5 to 15 knots becoming east. Waves 1 to
3 feet.
.SUNDAY NIGHT...East winds 15 to 25 knots becoming southeast.
Rain and snow showers. Waves 3 to 6 feet.
.MONDAY...Southwest winds 15 to 25 knots. A chance of showers.
Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally
around 9 feet.
.MONDAY NIGHT...Southwest winds 15 to 25 knots becoming west.
Waves 5 to 8 feet. Waves occasionally around 10 feet.
.TUESDAY...West winds 15 to 20 knots becoming northwest 10 to
15 knots. Waves 4 to 7 feet subsiding to 2 to 3 feet. Waves
occasionally around 9 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming west. Waves
2 to 3 feet.
.THURSDAY...Southwest winds 15 to 20 knots becoming west. A
chance of rain showers. Waves 2 to 3 feet building to 3 to
5 feet.

$$

LOZ063>065-230900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1014 PM EDT Sat Mar 22 2025

.REST OF TONIGHT...Northwest winds 15 to 25 knots. Scattered
flurries late this evening. Waves 6 to 10 feet subsiding to 3 to
6 feet. Waves occasionally around 13 feet.
.SUNDAY...North winds 5 to 15 knots becoming east. Waves 2 to
4 feet subsiding to 1 foot or less.
.SUNDAY NIGHT...East winds 15 to 25 knots becoming southeast.
Rain and snow showers. Waves 1 to 3 feet building to 3 to 5 feet.
.MONDAY...South winds to 30 knots becoming southwest and
diminishing to 15 to 20 knots. Rain showers likely in the
morning, then a chance of rain showers in the afternoon. Waves
3 to 6 feet.
.MONDAY NIGHT...Southwest winds 15 to 25 knots becoming west. A
chance of rain showers in the evening, then a chance of rain and
snow showers overnight. Waves 5 to 8 feet. Waves occasionally
around 10 feet.
.TUESDAY...West winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. Scattered rain and snow showers
during the day. Waves 5 to 8 feet subsiding to 2 to 4 feet. Waves
occasionally around 10 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming west. Waves
1 to 3 feet building to 2 to 4 feet.
.THURSDAY...West winds 10 to 15 knots increasing to 15 to
20 knots. A chance of rain showers during the day, then a chance
of rain and snow showers Thursday night. Waves 1 to 3 feet
building to 3 to 6 feet.

$$

LOZ061-230900-
MAFOR 2303/
ONTARIO WEST 1/2 11730 11720 11710 11800 11100 11210 11220 11230.
Waves 5 to 8 feet subsiding to 3 to 5 feet, and occasionally
around 10 feet overnight. Waves 2 to 4 feet subsiding to 2 feet
or less Sunday. Waves 3 to 6 feet Sunday evening.

ONTARIO EAST 1/2 11730 11720 11710 11800 11700 11300 11210 11220.
Waves 6 to 10 feet subsiding to 3 to 6 feet, and occasionally
around 13 feet overnight. Waves 2 to 4 feet subsiding to 1 foot
or less Sunday. Waves 1 to 3 feet building to 2 to 4 feet Sunday
evening.

$$