796
FZUS61 KBUF 091401
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1001 AM EDT Fri May 9 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 29.8 inch low along the Jersey Shore this morning will
move north along the New England coast, deepening to 29.5 inches as
it reaches the Gulf of Maine Saturday, then into the Canadian
Maritimes Saturday night. A 30.4 inch high will then build from
northwest Ontario province Saturday to the lower Great Lakes Sunday
before moving off the southern New England coast Monday, and then
farther offshore of the Mid Atlantic Tuesday.

LOZ062-092100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1001 AM EDT Fri May 9 2025

.THIS AFTERNOON...Northeast winds around 10 knots becoming west.
Waves around 1 foot.
.TONIGHT...West winds 10 to 15 knots becoming northwest. Waves
1 to 2 feet.
.SATURDAY...West winds 10 to 15 knots. Waves 1 to 3 feet.
.SATURDAY NIGHT...West winds 10 to 15 knots becoming north. Waves
1 to 3 feet.
.SUNDAY...North winds 5 to 10 knots becoming southeast. Waves
2 feet or less.
.MONDAY...South winds 10 knots or less. Waves 1 foot or less.
.TUESDAY...South winds 5 to 10 knots becoming southeast. Waves
1 foot or less.

$$

LOZ063>065-092100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1001 AM EDT Fri May 9 2025

.THIS AFTERNOON...North winds 10 to 15 knots becoming northwest. A
chance of showers late. Waves 1 to 3 feet.
.TONIGHT...Northwest winds 10 to 15 knots. A chance of showers.
Waves 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots becoming west 15 to
20 knots. Waves 1 to 3 feet building to 3 to 5 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots becoming north 10 to
15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.SUNDAY...North winds 5 to 15 knots becoming south. Waves 1 to
3 feet subsiding to 1 foot or less.
.MONDAY...West winds 5 to 10 knots becoming south. Waves 2 feet
or less.
.TUESDAY...South winds 5 to 10 knots becoming southeast. Waves
2 feet or less.

$$

LOZ061-092100-
MAFOR 0915/
ONTARIO WEST 1/2 11800 12600 11700 13710 11610. Waves 1 to 3
feet.

ONTARIO EAST 1/2 12810 12710 11700 12710 11610. A chance of
showers tonight. Waves 1 to 3 feet this afternoon and tonight.
Waves 1 to 3 feet building to 2 to 4 feet Saturday morning.

$$