226
FZUS61 KBUF 050202
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 PM EDT Sat Oct 4 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 large 30.3 inch high will remain anchored near the
Mid-Atlantic coast through Monday. A cold front will then move east
across the lower Great Lakes late Tuesday. This will be followed by
a strong 30.4 inch high that will build from the upper Great Lakes
Wednesday into the lower Great Lakes and New England by Thursday.

LOZ062-050900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 PM EDT Sat Oct 4 2025

.OVERNIGHT...Southeast winds 10 knots or less becoming
south. Waves 1 foot or less.
.SUNDAY...South winds 10 knots or less becoming southeast. Waves
1 foot or less.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots becoming south.
Waves 1 foot or less.
.MONDAY...Southwest winds 10 to 15 knots. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Showers likely
overnight. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 10 to 15 knots becoming north 15 to
20 knots. Showers. Waves 1 to 3 feet building to 3 to 5 feet.
.WEDNESDAY...North winds 15 to 20 knots becoming northeast 10 to
15 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.THURSDAY...East winds 10 to 15 knots becoming south. Waves 1 to
3 feet.

$$

LOZ063>065-050900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 PM EDT Sat Oct 4 2025

.OVERNIGHT...Southeast winds 5 to 10 knots becoming south.
Waves 2 feet or less.
.SUNDAY...South winds 5 to 15 knots becoming southeast. Waves
2 feet or less.
.SUNDAY NIGHT...East winds 5 to 15 knots becoming south. Waves
1 to 3 feet.
.MONDAY...South winds 5 to 15 knots. Waves 1 to 3 feet subsiding
to 1 foot or less.
.MONDAY NIGHT...South winds 5 to 15 knots becoming southwest. A
chance of showers overnight. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 15 to 25 knots becoming northwest.
Showers. Waves 2 to 4 feet building to 3 to 6 feet.
.WEDNESDAY...North winds 15 to 25 knots becoming northeast. A
chance of showers during the day. Waves 3 to 6 feet subsiding to
2 to 4 feet.
.THURSDAY...Northeast winds 5 to 15 knots becoming south 15 to
20 knots. Waves 1 to 3 feet.

$$

LOZ061-050900-
MAFOR 0503/
ONTARIO WEST 1/2 13400 11500 11400 13300. Waves 1 foot or less.

ONTARIO EAST 1/2 13400 11410 11400 11300 11200 11300. Waves 2
feet or less.

$$