761
FZUS61 KBUF 010803
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 AM EDT Thu Oct 1 2026

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 warm front will lift across the Lake today, followed
by a cold front crossing the lower Great Lakes later tonight and
Friday morning. A 30.3 inch high will then build into the western
Great Lakes Friday night and into the eastern Great Lakes by
Saturday, before exiting into northern New England Saturday night
and into the Gulf of Saint Lawrence Sunday. A strong cold front will
then cross the eastern Great Lakes Sunday night, with another 30.3
inch high building from the western Great Lakes into the eastern
Great Lakes Monday and Tuesday.

LOZ062-011500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 AM EDT Thu Oct 1 2026

.TODAY...South winds 15 to 20 knots becoming southwest. Showers
likely this morning, then a chance of showers this afternoon.
Waves 1 to 3 feet.
.TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. A chance of showers early, then showers from late
evening on. Waves 2 to 3 feet.
.FRIDAY...West winds 10 to 15 knots becoming northwest 15 to
20 knots. Showers in the morning. Waves 2 to 3 feet.
.FRIDAY NIGHT...Northwest winds 15 to 20 knots becoming north
10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SATURDAY...Northeast winds 10 knots or less becoming southeast.
Waves 2 feet or less.
.SUNDAY...South winds 10 knots or less becoming west and
increasing to 15 to 20 knots. Waves 1 to 3 feet.
.MONDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet.

$$

LOZ063>065-011500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 AM EDT Thu Oct 1 2026

.TODAY...South winds 10 to 15 knots increasing to 15 to 20 knots.
Showers likely early, then a chance of showers. Waves 1 to 3 feet
building to 2 to 4 feet.
.TONIGHT...Southwest winds 10 to 15 knots becoming west. A chance
of showers in the evening, then showers after midnight. Waves
1 to 3 feet.
.FRIDAY...West winds 15 to 20 knots. Showers in the morning, then
a chance of showers in the afternoon. Waves 1 to 3 feet building
to 3 to 5 feet.
.FRIDAY NIGHT...Northwest winds 15 to 20 knots becoming north
10 to 15 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.SATURDAY...Northeast winds 5 to 15 knots becoming southeast.
Waves 1 to 3 feet subsiding to 1 foot or less.
.SUNDAY...South winds 15 to 20 knots becoming west. Waves 1 to
3 feet building to 2 to 4 feet.
.MONDAY...Northwest winds 15 to 25 knots. Waves 3 to 6 feet.

$$

LOZ061-011500-
MAFOR 0109/
ONTARIO WEST 1/2 11416 11410 14510 11516 11616. Waves 1 to 3
feet.

ONTARIO EAST 1/2 11510 13420 11410 12510 11516. Waves 1 to 3 feet
building to 2 to 4 feet today. Waves 1 to 3 feet tonight.

$$