153
FZUS61 KBUF 110828
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
428 AM EDT Tue Mar 11 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 29.2 inch low across Ontario will slowly deepening
to 29.1 inches while moving east into Quebec today, sending its
trailing cold front across the lake this afternoon. A 30.2 inch
high will build south across the lake tonight into Wednesday
before sliding to the Canadian Maritimes Thursday, with developing
low pressure over the Plains states then deepening to 28.8 inches
Thursday through Friday.

LOZ062-111515-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
428 AM EDT Tue Mar 11 2025

.TODAY...Southwest winds 15 to 20 knots becoming west. Waves 2 to
4 feet.
.TONIGHT...Northwest winds 15 to 20 knots becoming north 5 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.WEDNESDAY...Northeast winds 10 to 15 knots becoming east 15 to
20 knots. Waves 1 to 3 feet building to 3 to 6 feet.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Waves 3 to 6 feet.
.THURSDAY...East winds 10 to 15 knots. Waves 2 to 4 feet.
.FRIDAY...East winds 10 to 15 knots becoming southeast. Waves
1 to 3 feet.
.SATURDAY...Southeast winds 15 to 20 knots becoming south.
Showers likely. Waves 2 to 4 feet building to 3 to 5 feet.

$$

LOZ063>065-111515-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
428 AM EDT Tue Mar 11 2025

.TODAY...South winds 15 to 20 knots becoming west. Waves 1 to
3 feet building to 2 to 4 feet.
.TONIGHT...West winds 15 to 20 knots becoming northeast 5 to
15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.WEDNESDAY...Northeast winds 10 to 15 knots increasing to 15 to
20 knots. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots becoming east
10 to 15 knots. A chance of rain showers in the evening. Waves
1 to 3 feet.
.THURSDAY...East winds 10 to 15 knots. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.SATURDAY...Southeast winds 15 to 25 knots becoming south. A
chance of showers during the day, then showers likely Saturday
night. Waves 3 to 6 feet.

$$

LOZ061-111515-
MAFOR 1109/
ONTARIO WEST 1/2 11510 11520 12620 12720 11710 11800. Waves 1 to
3 feet building to 2 to 4 feet today. Waves 2 to 4 feet subsiding
to 1 to 3 feet tonight.

ONTARIO EAST 1/2 11410 11420 11520 13620 11710 11800. Waves 1 to
3 feet building to 2 to 4 feet today. Waves 3 to 5 feet subsiding
to 1 to 3 feet tonight.

$$