982
FZUS61 KBUF 101402
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 AM EDT Thu Sep 10 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 high pressure ridge averaging 30.0 inches will
build from the western Great Lakes through Friday, before exiting
east toward the New England coast on Saturday. A warm front will
sweep northeastward across Lake Ontario Saturday night and be
followed by a cold front sweeping eastward across the Lake later on
Sunday. Behind the cold front, a 30.1 inch ridge will slide eastward
across the Lake through Monday, then moves east into New England by
Tuesday.

LOZ062-102100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 AM EDT Thu Sep 10 2026

.THIS AFTERNOON...West winds 10 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.TONIGHT...Northwest winds 15 to 20 knots diminishing to 5 to
15 knots. Waves 1 to 3 feet.
.FRIDAY...Northwest winds 10 knots or less becoming southwest.
Waves 1 foot or less.
.FRIDAY NIGHT...Southwest winds 10 knots or less becoming south.
Waves 1 foot or less.
.SATURDAY...South winds 10 knots or less becoming southwest.
Waves 1 foot or less.
.SUNDAY...West winds 10 to 15 knots becoming northwest. Waves
1 to 2 feet.
.MONDAY...North winds 5 to 15 knots becoming southeast. Waves
1 to 3 feet.

$$

LOZ063>065-102100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 AM EDT Thu Sep 10 2026

.THIS AFTERNOON...West winds 15 to 20 knots. Waves 3 to 5 feet.
.TONIGHT...Northwest winds 15 to 20 knots becoming north 5 to
15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.FRIDAY...Northwest winds 10 knots or less becoming west. Waves
2 feet or less.
.FRIDAY NIGHT...West winds 10 knots or less becoming south. Waves
1 foot or less.
.SATURDAY...South winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers Saturday night. Waves 1 to 3 feet.
.SUNDAY...Southwest winds 10 to 15 knots becoming northwest 15 to
20 knots. A chance of showers during the day. Waves 1 to 3 feet.
.MONDAY...North winds 5 to 15 knots becoming southeast 15 to
20 knots. Waves 1 to 3 feet.

$$

LOZ061-102100-
MAFOR 1015/
ONTARIO WEST 1/2 12620 13710 13700. Waves 2 to 4 feet this
afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight.
Waves 2 feet or less Friday morning.

ONTARIO EAST 1/2 13620 11720 11710 12800 11700. Waves 3 to 5 feet
this afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet
tonight. Waves 2 feet or less Friday morning.

$$