908
FZUS61 KBUF 260202
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 PM EDT Fri Sep 25 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...An expansive 30.3 inch high will persist across
Ontario and southern Quebec through Saturday before drifting to
eastern Quebec and Labrador Sunday. Meanwhile, low pressure off the
east coast will deepen to 29.2 inches Saturday east of the Delmarva.
This low will move to near the Jersey shore and Long Island Saturday
night through Sunday, then meander northeast along the New England
coast Monday through Tuesday while gradually filling to 29.8 inches.

LOZ062-260900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 PM EDT Fri Sep 25 2026

.OVERNIGHT...North winds 10 to 15 knots increasing to 15 to
20 knots. Waves 1 to 3 feet.
.SATURDAY...North winds 15 to 20 knots diminishing to 5 to
15 knots. Waves 1 to 3 feet.
.SATURDAY NIGHT...North winds 10 to 15 knots becoming northeast
15 to 20 knots. Waves 1 to 3 feet building to 3 to 5 feet.
.SUNDAY...Northeast winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots diminishing to
10 to 15 knots. Waves 2 to 4 feet building to 3 to 5 feet.
.MONDAY...Northeast winds 5 to 15 knots becoming north less than
10 knots. Waves 2 to 4 feet subsiding to 2 feet or less.
.TUESDAY...Light and variable winds. Waves 1 foot or less.
.WEDNESDAY...Southwest winds 10 knots or less becoming south.
Waves 1 foot or less.

$$

LOZ063>065-260900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 PM EDT Fri Sep 25 2026

.OVERNIGHT...North winds 10 to 15 knots increasing to 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.SATURDAY...North winds 15 to 20 knots. Waves 2 to 4 feet
building to 3 to 5 feet, then subsiding to 2 to 4 feet.
.SATURDAY NIGHT...North winds 15 to 25 knots becoming northeast.
Waves 2 to 4 feet building to 4 to 7 feet. Waves occasionally
around 9 feet.
.SUNDAY...Northeast winds to 30 knots diminishing to 15 to
25 knots. A chance of rain in the afternoon. Waves 4 to 7 feet
subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. A chance of rain.
Waves 3 to 6 feet.
.MONDAY...Northeast winds 5 to 15 knots becoming north. Waves
2 to 4 feet subsiding to 1 foot or less.
.TUESDAY...North winds 10 knots or less becoming south. Waves
1 foot or less.
.WEDNESDAY...South winds 5 to 15 knots. Waves 2 feet or less.

$$

LOZ061-260900-
MAFOR 2603/
ONTARIO WEST 1/2 12810 11820 11120 11110 11800 12810. Waves 1 to
3 feet overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet
Saturday. Waves 1 to 3 feet Saturday evening.

ONTARIO EAST 1/2 11810 12820 12120 12820 11120. Waves 1 to 3 feet
building to 2 to 4 feet overnight. Waves 2 to 4 feet Saturday and
Saturday evening.

$$