586
FZUS61 KBUF 021403
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1003 AM EDT Fri Oct 2 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 30.3 inch high will build east across the lower Great
Lakes region today through Saturday, before sliding northeast into
northern New England Saturday night. A 29.7 inch low over
northwestern Ontario Sunday will deepen to 29.4 inches as it slides
just south of James Bay into central Quebec Sunday night, while
sending a pair of cold fronts across the Lake. A 30.2 inch high over
the upper Midwest will then build across the Great Lakes region
Monday into Tuesday.

LOZ062-022100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1003 AM EDT Fri Oct 2 2026

.REST OF TODAY...West winds 10 to 15 knots becoming northwest
15 to 20 knots. A chance of showers late this morning. Waves 1 to
3 feet.
.TONIGHT...Northwest winds 15 to 20 knots becoming north 10 to
15 knots. Waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 1 to 3 feet.
.SATURDAY...Northeast winds 5 to 10 knots becoming east. Waves
2 feet or less.
.SATURDAY NIGHT...East winds 5 to 10 knots becoming southeast.
Waves 1 foot or less.
.SUNDAY...Southeast winds 5 to 10 knots becoming west and
increasing to 15 to 20 knots. Waves 1 foot or less building to
3 to 6 feet.
.MONDAY...Northwest winds 15 to 25 knots. Waves 3 to 6 feet
building to 4 to 7 feet, then subsiding to 2 to 4 feet. Waves
occasionally around 9 feet.
.TUESDAY...Northwest winds 5 to 15 knots becoming southwest.
Waves 2 feet or less.

$$

LOZ063>065-022100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1003 AM EDT Fri Oct 2 2026

.REST OF TODAY...Northwest winds 10 to 15 knots becoming west
15 to 20 knots. Showers likely late this morning. Waves 1 to
3 feet building to 2 to 4 feet.
.TONIGHT...West winds 15 to 20 knots becoming north. Waves 3 to
5 feet subsiding to 2 to 4 feet.
.SATURDAY...Northeast winds 5 to 15 knots. Waves 1 to 3 feet
subsiding to 1 foot or less.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots becoming
southeast. Waves 1 foot or less.
.SUNDAY...Southeast winds 15 to 25 knots becoming west. A chance
of showers Sunday night. Waves 1 to 3 feet building to 3 to
6 feet.
.MONDAY...Northwest winds to 30 knots diminishing to 15 to
20 knots. Waves 5 to 9 feet subsiding to 3 to 6 feet. Waves
occasionally around 11 feet.
.TUESDAY...Northwest winds 15 to 20 knots becoming southwest and
diminishing to 5 to 10 knots. Waves 2 to 4 feet subsiding to 1 to
3 feet.

$$

LOZ061-022100-
MAFOR 0215/
ONTARIO WEST 1/2 11610 11620 13720 11810 12100. Waves 1 to 3 feet
building to 2 to 4 feet this afternoon. Waves 2 to 4 feet
tonight. Waves 1 to 2 feet Saturday morning.

ONTARIO EAST 1/2 11610 12620 11720 12820 11810 11100. A chance of
showers late this morning. Waves 1 to 3 feet building to 2 to 4
feet this afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet
tonight. Waves 1 to 3 feet Saturday morning.

$$