191
FZUS61 KBUF 162002
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 PM EDT Tue Sep 16 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 across Ontario and Quebec will drift
east off the New England coast Wednesday into Wednesday night, while
remaining ridged over the lake. A cold front will cross the lake
Thursday night, with another area of high pressure over western
Ontario builds southeast across the lower Great Lakes Friday and
Saturday.

LOZ062-170300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 PM EDT Tue Sep 16 2025

.TONIGHT...East winds 10 knots or less. Waves 2 feet or less.
.WEDNESDAY...East winds 10 knots or less. Waves 1 foot or less.
.WEDNESDAY NIGHT...East winds 10 knots or less becoming west.
Waves 1 foot or less.
.THURSDAY...West winds 10 knots or less. Waves 1 foot or less.
.THURSDAY NIGHT...West winds 5 to 15 knots becoming north. Waves
2 feet or less building to 2 to 3 feet.
.FRIDAY...North winds 5 to 15 knots becoming northeast 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.SATURDAY...East winds 15 to 20 knots becoming southeast 10 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SUNDAY...South winds 10 to 15 knots. A chance of showers Sunday
night. Waves 1 to 2 feet.

$$

LOZ063>065-170300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 PM EDT Tue Sep 16 2025

.TONIGHT...Northeast winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.WEDNESDAY...South winds 5 to 10 knots becoming east. Waves
2 feet or less.
.WEDNESDAY NIGHT...East winds less than 10 knots becoming
southwest. Waves 1 foot or less.
.THURSDAY...Southwest winds 10 knots or less becoming west. Waves
1 foot or less.
.THURSDAY NIGHT...West winds 5 to 15 knots becoming north 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.FRIDAY...North winds 15 to 20 knots becoming northeast. Waves
2 to 4 feet.
.SATURDAY...East winds 15 to 20 knots becoming southeast. Waves
2 to 4 feet.
.SUNDAY...South winds 15 to 20 knots. Waves 2 to 4 feet.

$$

LOZ061-170300-
MAFOR 1621/
ONTARIO WEST 1/2 16200. Waves 2 feet or less.

ONTARIO EAST 1/2 12100 11200 12300 11400 11300 11200. Waves 2
feet or less.

$$