626
FZUS61 KBUF 242001
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
401 PM EDT Sat May 24 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 29.7 inch low will drift slowly from Maine to New
Brunswick tonight. This weak low will move slowly east across the
Canadian Maritimes Sunday, then into the North Atlantic Monday. An
expansive 30.4 inch high will then settle into the Great Lakes
Monday, and expand to southern New England by Tuesday before
drifting off the southern New England coast Wednesday. A dissipating
29.9 inch low will track just north of the lake on Thursday.

LOZ062-250300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
401 PM EDT Sat May 24 2025

.TONIGHT...West winds 10 to 15 knots. Scattered showers early.
Waves 2 to 4 feet.
.SUNDAY...West winds 10 to 15 knots. A chance of showers in the
afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...West winds 5 to 10 knots. A chance of showers in
the evening. Waves 1 to 2 feet.
.MONDAY...West winds 5 to 10 knots. Waves 1 foot or less.
.MONDAY NIGHT...West winds 10 knots or less. Waves 1 foot or
less.
.TUESDAY...Northwest winds 10 knots or less becoming east. Waves
2 feet or less.
.WEDNESDAY...East winds 10 to 15 knots becoming southeast. A
chance of showers. Waves 1 to 3 feet.
.THURSDAY...South winds 5 to 10 knots becoming west. A chance of
showers. Waves 1 to 2 feet.

$$

LOZ063>065-250300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
401 PM EDT Sat May 24 2025

.TONIGHT...West winds 10 to 15 knots increasing to 15 to
20 knots. Scattered showers early. Waves 2 to 4 feet.
.SUNDAY...West winds 10 to 15 knots. A chance of showers in the
afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SUNDAY NIGHT...West winds 5 to 15 knots. Waves 1 to 3 feet.
.MONDAY...West winds 5 to 10 knots. Waves 2 feet or less.
.MONDAY NIGHT...West winds less than 10 knots becoming southwest.
Waves 1 foot or less.
.TUESDAY...South winds 10 knots or less becoming southeast. Waves
1 foot or less.
.WEDNESDAY...Southeast winds 5 to 15 knots. A chance of showers.
Waves 2 feet or less.
.THURSDAY...South winds 5 to 15 knots becoming southwest. A
chance of showers. Waves 1 to 2 feet.

$$

LOZ061-250300-
MAFOR 2421/
ONTARIO WEST 1/2 11610 19616 14610 11610 12600. Waves 2 to 4 feet
tonight. Waves 1 to 3 feet Sunday.

ONTARIO EAST 1/2 11610 19616 15610 11610. Waves 2 to 4 feet
tonight. Waves 2 to 4 feet subsiding to 1 to 3 feet Sunday.

$$