033
FZUS61 KBUF 021402
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 AM EDT Tue Sep 2 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 30.3 inch high centered over New England will slide
out across the Canadian Maritimes today. A weaker 30.1 inch high
will remain in place across the Great Lakes today before drifting
off the New England coast Wednesday. A 29.5 inch low over Ontario
Province Wednesday will then slowly make its way to James Bay
Thursday and Friday and to northern Quebec Saturday...with an
initial trailing cold front crossing the lake Thursday...and a
secondary cold front following sometime between Friday and Saturday.

LOZ062-022100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 AM EDT Tue Sep 2 2025

.THIS AFTERNOON...East winds 10 knots or less. Waves 1 foot or
less.
.TONIGHT...Southeast winds 10 knots or less becoming south. Waves
1 foot or less.
.WEDNESDAY...Southwest winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast winds 5 to 15 knots becoming south
15 to 20 knots. A chance of showers overnight. Waves 1 to 3 feet
building to 2 to 4 feet.
.THURSDAY...South winds 15 to 20 knots becoming southwest 10 to
15 knots. Showers with a chance of thunderstorms during the day,
then showers Thursday night. Waves 3 to 5 feet subsiding to 2 to
4 feet.
.FRIDAY...Southwest winds 15 to 25 knots. A chance of showers
Friday night. Waves 2 to 4 feet building to 3 to 6 feet.
.SATURDAY...West winds 15 to 20 knots. Waves 3 to 6 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-022100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 AM EDT Tue Sep 2 2025

.THIS AFTERNOON...South winds 10 knots or less becoming northeast.
Waves 1 foot or less.
.TONIGHT...East winds 10 knots or less becoming south. Waves
1 foot or less.
.WEDNESDAY...South winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots becoming south
and increasing to 15 to 25 knots overnight. Waves 2 feet or less
building to 3 to 6 feet.
.THURSDAY...South winds 15 to 25 knots becoming southwest and
diminishing to 10 to 15 knots. Showers with a chance of
thunderstorms. Waves 3 to 6 feet subsiding to 2 to 4 feet.
.FRIDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. A chance of showers Friday night. Waves 1 to 3 feet
building to 3 to 6 feet.
.SATURDAY...West winds 15 to 20 knots. A chance of showers. Waves
3 to 6 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-022100-
MAFOR 0215/
ONTARIO WEST 1/2 13200 11300 12400 12500. Waves 1 foot or less.

ONTARIO EAST 1/2 11300 11100 11200 11300 14400. Waves 1 foot or
less.

$$