782
FZUS61 KBUF 290801
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
401 AM EDT Thu Oct 29 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 ridge averaging 30.6 inches affects the lake through
Thursday as the embedded high pressure center wobbles southeastward
from northern Ontario to North Atlantic waters southeast of the
Canadian Maritimes. The ridge exits eastward Thursday night as a
cold front sweeps eastward across the lake. Behind the front,
another ridge averaging 30.2 inches builds from the western Great
Lakes through this Saturday. The high will drift eastward while a
29.9 inch low is expected to move into the Lower Mississippi Valley
Sunday.

LOZ062-291500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
401 AM EDT Thu Oct 29 2026

.TODAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers late. Waves 1 to 2 feet building to
3 to 5 feet.
.TONIGHT...Southwest winds 15 to 20 knots becoming northwest. A
chance of showers early. Waves 3 to 5 feet subsiding to 2 to
4 feet.
.FRIDAY...Northwest winds 15 to 20 knots. Waves 3 to 5 feet
subsiding to 2 to 4 feet.
.FRIDAY NIGHT...Northwest winds 15 to 20 knots becoming north
5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds less than 10 knots becoming south.
Waves 1 foot or less.
.SUNDAY...Southeast winds less than 10 knots becoming southwest.
Waves 1 foot or less.
.MONDAY...Southwest winds 10 knots or less becoming east. Waves
1 foot or less.

$$

LOZ063>065-291500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
401 AM EDT Thu Oct 29 2026

.TODAY...South winds 15 to 20 knots becoming southwest. A chance
of showers late. Waves 1 to 3 feet building to 2 to 4 feet.
.TONIGHT...Southwest winds 15 to 20 knots becoming northwest. A
chance of showers in the evening. Waves 2 to 4 feet building to
3 to 5 feet.
.FRIDAY...West winds 15 to 20 knots. Waves 3 to 6 feet.
.FRIDAY NIGHT...Northwest winds 15 to 20 knots becoming north
10 to 15 knots. Waves 3 to 6 feet subsiding to 2 to 4 feet.
.SATURDAY...North winds 10 knots or less becoming south. Waves
2 feet or less.
.SUNDAY...Southeast winds 5 to 10 knots becoming southwest. Waves
1 foot or less.
.MONDAY...Southwest winds 10 knots or less becoming southeast.
Waves 1 foot or less.

$$

LOZ061-291500-
MAFOR 2909/
ONTARIO WEST 1/2 11500 11510 13520 11620 11610 11720. A chance of
showers this afternoon and evening. Waves 2 feet or less building
to 3 to 5 feet today. Waves 3 to 5 feet subsiding to 2 to 4 feet
tonight.

ONTARIO EAST 1/2 11410 12420 11510 11520 11620 11610 11720. A
chance of showers this evening. Waves 1 to 3 feet building to 2
to 4 feet today. Waves 2 to 4 feet building to 3 to 5 feet
tonight.

$$