372
FZUS61 KBUF 012002
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 PM EDT Tue Jul 1 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 29.2 inch low over northern Quebec today will move
east to the Labrador coast through Wednesday, with a weak trailing
cold front crossing the lake this afternoon. A 30.0 inch high will
build into the Ohio Valley tonight through Wednesday. Another weak
cold front will move southeast across the lake Thursday. A 30.1 inch
high will then build into the Ohio Valley and Great Lakes Friday
before drifting to the eastern seaboard Saturday.

LOZ062-020300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 PM EDT Tue Jul 1 2025

.TONIGHT...West winds around 10 knots. Waves 1 to 2 feet.
.WEDNESDAY...West winds around 10 knots becoming southwest. Waves
around 1 foot.
.WEDNESDAY NIGHT...Southwest winds around 10 knots becoming west.
A chance of showers and thunderstorms overnight. Waves 1 to
2 feet.
.THURSDAY...West winds around 10 knots. A chance of showers and
thunderstorms in the morning. Waves 1 to 2 feet.
.THURSDAY NIGHT...Northwest winds 5 to 10 knots. Waves 1 to
2 feet.
.FRIDAY...Northwest winds 5 to 10 knots becoming southwest. Waves
1 foot or less.
.SATURDAY...South winds 5 to 15 knots becoming southwest. Waves
2 feet or less.
.SUNDAY...Southwest winds 10 to 15 knots. A chance of showers
Sunday night. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-020300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 PM EDT Tue Jul 1 2025

.TONIGHT...Southwest winds 5 to 15 knots becoming west. Waves
1 to 2 feet.
.WEDNESDAY...West winds 10 to 15 knots. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Waves 1 to 2 feet.
.THURSDAY...West winds 10 to 15 knots. A chance of showers and
thunderstorms in the morning, then a chance of showers in the
afternoon. Waves 1 to 2 feet.
.THURSDAY NIGHT...West winds 5 to 15 knots becoming northwest.
Waves 1 to 2 feet.
.FRIDAY...Northwest winds 5 to 10 knots becoming south. Waves
2 feet or less.
.SATURDAY...South winds 5 to 15 knots. Waves 2 feet or less.
.SUNDAY...Southwest winds 10 to 15 knots. A chance of showers
Sunday night. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-020300-
MAFOR 0121/
ONTARIO WEST 1/2 15600 12500. Waves 1 to 2 feet.

ONTARIO EAST 1/2 11610 11510 14600 11600 11610. Waves 1 to 2
feet.

$$