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FZUS61 KBUF 300202
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 PM EDT Fri Aug 29 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 30.2 inch high over the Upper Great Lakes will
gradually settle across the lake tonight through Labor Day, before
drifting off the mid-Atlantic coastline Tuesday and Wednesday.

LOZ062-300900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 PM EDT Fri Aug 29 2025

.REST OF TONIGHT...Northwest winds 10 to 15 knots. Waves 2 to
3 feet.
.SATURDAY...Northwest winds 10 to 15 knots becoming west. Waves
1 to 3 feet.
.SATURDAY NIGHT...Northwest winds 5 to 15 knots becoming north.
Waves 1 to 3 feet subsiding to 1 foot or less.
.SUNDAY...North winds less than 10 knots becoming southwest.
Waves 1 foot or less.
.SUNDAY NIGHT...South winds less than 10 knots. Waves 1 foot or
less.
.MONDAY...East winds 10 knots or less becoming southeast. Waves
1 foot or less.
.TUESDAY...Southeast winds 10 knots or less becoming south. Waves
1 foot or less.
.WEDNESDAY...South winds 5 to 15 knots. A chance of showers
Wednesday night. Waves 2 feet or less.

$$

LOZ063>065-300900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 PM EDT Fri Aug 29 2025

.REST OF TONIGHT...Northwest winds 10 to 15 knots. A chance of
waterspouts late this evening. Scattered showers late this
evening. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots becoming west 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots becoming north 5 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SUNDAY...Northwest winds 10 knots or less becoming west. Waves
1 foot or less.
.SUNDAY NIGHT...West winds less than 10 knots. Waves 1 foot or
less.
.MONDAY...Southeast winds less than 10 knots. Waves 1 foot or
less.
.TUESDAY...Southeast winds 10 knots or less becoming south. Waves
1 foot or less.
.WEDNESDAY...South winds 5 to 15 knots increasing to 15 to
20 knots. A chance of showers Wednesday night. Waves 1 to 3 feet.

$$

LOZ061-300900-
MAFOR 3003/
ONTARIO WEST 1/2 14710 11710 12610 11710. Waves 1 to 3 feet.

ONTARIO EAST 1/2 14710 14610. A chance of waterspouts late this
evening. Waves 1 to 3 feet overnight. Waves 1 to 3 feet building
to 2 to 4 feet Saturday. Waves 2 to 4 feet subsiding to 1 to 3
feet Saturday evening.

$$