695
FZUS61 KBUF 252003
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 PM EDT Sun Oct 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...A 30.5 inch high will gradually drift south across the
Mid Atlantic through Monday. A cold front will move southeast across
the lake early Monday afternoon. Another 30.6 inch high will then
build from northwest Ontario province Monday night to southern
Quebec and New England by Tuesday night, then off the New England
coast by Wednesday night. This high will then linger east of the Mid
Atlantic and New England through Thursday. Another weak cold front
is then forecast to cross the lower Great Lakes Thursday night.

LOZ062-260300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 PM EDT Sun Oct 25 2026

.TONIGHT...South winds 5 to 15 knots becoming southwest. Waves
2 feet or less.
.MONDAY...West winds 10 to 15 knots becoming northwest. Waves
1 to 3 feet.
.MONDAY NIGHT...Northwest winds 10 to 15 knots becoming
northeast. Waves 1 to 3 feet.
.TUESDAY...Northeast winds 5 to 15 knots becoming east. Waves
1 to 3 feet.
.TUESDAY NIGHT...East winds 5 to 15 knots becoming southeast.
Waves 1 to 2 feet.
.WEDNESDAY...East winds 5 to 15 knots becoming southwest. Waves
2 feet or less.
.THURSDAY...Southwest winds 10 to 15 knots becoming west. A
chance of showers Thursday night. Waves 1 to 3 feet.
.FRIDAY...West winds 10 knots or less becoming north. Waves
2 feet or less.

$$

LOZ063>065-260300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 PM EDT Sun Oct 25 2026

.TONIGHT...South winds 5 to 15 knots becoming southwest. Waves
2 feet or less.
.MONDAY...Southwest winds 10 to 15 knots becoming northwest.
Waves 1 to 3 feet.
.MONDAY NIGHT...North winds 10 to 15 knots becoming northeast
15 to 20 knots. Waves 1 to 3 feet building to 3 to 5 feet.
.TUESDAY...Northeast winds 5 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots becoming
southeast. Waves 1 foot or less.
.WEDNESDAY...Southeast winds 5 to 15 knots becoming south 15 to
20 knots. Waves 1 to 3 feet.
.THURSDAY...South winds 15 to 20 knots becoming west 10 to
15 knots. A chance of showers Thursday night. Waves 1 to 3 feet.
.FRIDAY...West winds 5 to 15 knots becoming south. Waves 2 feet
or less.

$$

LOZ061-260300-
MAFOR 2521/
ONTARIO WEST 1/2 11400 12500 12510 11610 12710. Waves 2 feet or
less tonight. Waves 1 to 3 feet Monday.

ONTARIO EAST 1/2 12400 11500 12510 12610 11710. Waves 2 feet or
less tonight. Waves 1 to 3 feet Monday.

$$