961
FZUS61 KBUF 010802
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 AM EDT Tue Sep 1 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 frontal boundary will remain stalled near the lake
through this evening before moving northeast across the lake as a
warm front late tonight through Wednesday morning. The front will
then settle back south across the lake Thursday. A 30.1 inch high
over northwest Ontario province Friday will settle south into the
lower Great Lakes Saturday through Sunday.

LOZ062-011500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 AM EDT Tue Sep 1 2026

.TODAY...South winds 10 knots or less becoming north. Showers
likely with a chance of thunderstorms early, then a chance of
showers late this morning. Waves 1 foot or less.
.TONIGHT...Light and variable winds becoming southeast 5 to
10 knots. Patchy fog late. A chance of showers and thunderstorms
late. Waves 1 foot or less.
.WEDNESDAY...Southeast winds 5 to 10 knots becoming southwest. A
chance of showers and thunderstorms in the morning, then showers
with thunderstorms likely in the afternoon. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots becoming west.
Showers with thunderstorms likely. Waves 1 foot or less.
.THURSDAY...West winds 5 to 10 knots becoming northwest. Showers
with a chance of thunderstorms during the day. Waves 1 foot or
less.
.FRIDAY...Northwest winds 10 knots or less becoming north. Waves
1 foot or less.
.SATURDAY...Northeast winds 10 knots or less becoming east. Waves
1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-011500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 AM EDT Tue Sep 1 2026

.TODAY...Southeast winds 5 to 15 knots becoming northeast less
than 10 knots. Showers with a chance of thunderstorms this
morning. Waves 2 feet or less.
.TONIGHT...Light and variable winds becoming south 5 to 10 knots.
Patchy fog after midnight. Waves 1 foot or less.
.WEDNESDAY...Southeast winds 5 to 15 knots becoming south. A
chance of showers and thunderstorms in the morning, then showers
with thunderstorms likely in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 10 to 15 knots becoming southwest.
Showers with thunderstorms likely. Waves 2 feet or less.
.THURSDAY...West winds 5 to 10 knots becoming northwest. Showers
likely during the day. Waves 1 to 2 feet.
.FRIDAY...Northwest winds 5 to 10 knots becoming north. Waves
1 foot or less.
.SATURDAY...North winds 5 to 10 knots becoming northeast. Waves
2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-011500-
MAFOR 0109/
ONTARIO WEST 1/2 11300 11400 11500 11800 11100 12200 11300. A
chance of thunderstorms early, then a chance of showers this
morning. A chance of showers overnight. Waves 1 foot or less.

ONTARIO EAST 1/2 11306 11310 11300 11100 11200 11100 11300 11400.
A chance of thunderstorms this morning. Waves 2 feet or less.

$$