344
FZUS61 KBUF 291308
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
Issued by National Weather Service Cleveland OH
908 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 30.4 inch high will settle over the lower Great
Lakes tonight. This high will then drift to the eastern seaboard
Tuesday, then east of the Mid Atlantic coast by Wednesday.
Meanwhile, a 29.3 inch low over far northwest Ontario province
Tuesday night will move to Hudson Bay by late Wednesday, then to
northern Quebec by Thursday while deepening to 29.0 inches. A
trailing cold front will cross the lower Great Lakes Wednesday
night, with a 30.0 inch high building east across the eastern
Great Lakes region Thursday through Friday, before sliding east
into New England by Saturday.

LOZ062-292115-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
908 AM EDT Thu Oct 29 2026

.THIS AFTERNOON...Southwest winds 15 to 20 knots. A chance of
showers late. Waves 2 to 4 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>065-292115-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
908 AM EDT Thu Oct 29 2026

.THIS AFTERNOON...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.

$$

LOZ061-292115-
MAFOR 2915/
ONTARIO WEST 1/2 13520 11620 11610 12720 11620. A chance of
showers this afternoon and evening. Waves 2 to 4 feet building to
3 to 5 feet this afternoon. Waves 3 to 5 feet subsiding to 2 to 4
feet tonight. Waves 3 to 5 feet Friday morning.

ONTARIO EAST 1/2 11420 11510 11520 11620 11610 11720 12620. A
chance of showers this evening. Waves 1 to 3 feet building to 2
to 4 feet this afternoon. Waves 2 to 4 feet building to 3 to 5
feet tonight. Waves 3 to 6 feet Friday morning.

$$