303
FZUS61 KBUF 091502
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 AM EST Sun Nov 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 29.6 inch surface low over western Pennsylvania this
late morning will deepen to 29.5 inches as it tracks to New England
today and Monday, then will strengthen further while moving north
across Quebec Tuesday. Another 29.2 inch low will move north of the
Great Lakes region Wednesday. West-northwest flow will persist
across the eastern Great Lakes region Thursday, while a 30.2 inch
high moves from the northern Plains to the southern Ohio Valley.

LOZ062-092200-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 AM EST Sun Nov 9 2025

.REST OF TODAY...Northeast winds to 30 knots. Rain and snow.
Waves 6 to 9 feet. Waves occasionally around 11 feet.
.TONIGHT...Northeast winds 15 to 25 knots becoming north. Rain
and snow early, then snow showers likely late in the evening. A
chance of snow showers after midnight. Waves 5 to 8 feet. Waves
occasionally around 10 feet.
.MONDAY...North winds 15 to 20 knots becoming northwest. A chance
of snow showers. Waves 3 to 5 feet.
.MONDAY NIGHT...Northwest winds 15 to 20 knots. A chance of snow
showers in the evening, then snow showers likely overnight. Waves
3 to 6 feet.
.TUESDAY...Northwest winds to 30 knots becoming southwest. Snow
showers likely with a chance of rain showers during the day, then
rain showers Tuesday night. Waves 5 to 8 feet building to 7 to
10 feet. Waves occasionally around 13 feet.
.WEDNESDAY...Southwest gales to 35 knots becoming west and
diminishing to 30 knots. Showers. Waves 10 to 14 feet subsiding
to 7 to 10 feet. Waves occasionally around 18 feet.
.THURSDAY...West winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. Showers likely. Waves 7 to 10 feet
subsiding to 3 to 6 feet. Waves occasionally around 13 feet.

$$

LOZ063>065-092200-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 AM EST Sun Nov 9 2025

.REST OF TODAY...Northeast winds 15 to 25 knots increasing to
30 knots. Rain and snow late this morning, then rain this
afternoon. Waves 5 to 9 feet. Waves occasionally around 11 feet.
.TONIGHT...Northeast winds to 30 knots becoming north and
diminishing to 15 to 20 knots. Rain early, then rain showers
likely with a chance of snow showers late in the evening. A
chance of snow showers after midnight. Waves 6 to 9 feet
subsiding to 3 to 6 feet. Waves occasionally around 11 feet.
.MONDAY...North winds 15 to 20 knots becoming northwest. Snow
showers likely. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.MONDAY NIGHT...Northwest winds 15 to 25 knots. Snow showers.
Waves 3 to 6 feet.
.TUESDAY...Northwest winds to 30 knots becoming southwest. Snow
showers with rain showers likely during the day, then rain
showers Tuesday night. Waves 7 to 10 feet building to 9 to
13 feet. Waves occasionally around 16 feet.
.WEDNESDAY...Southwest gales to 35 knots becoming west and
diminishing to 30 knots. Rain showers. Waves 9 to 12 feet
building to 10 to 15 feet. Waves occasionally around 19 feet.
.THURSDAY...West winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. Rain showers. Waves 8 to 12 feet
subsiding to 5 to 8 feet. Waves occasionally around 15 feet.

$$

LOZ061-092200-
MAFOR 0916/
ONTARIO WEST 1/2 11136 11147 11137 11837 11830 13820. Waves 6 to
9 feet, and occasionally around 11 feet this afternoon. Waves 5
to 9 feet subsiding to 4 to 6 feet, and occasionally around 11
feet tonight. Waves 3 to 5 feet Monday morning.

ONTARIO EAST 1/2 11136 12146 11846 11830 12820 11827. Waves 5 to
9 feet, and occasionally around 11 feet this afternoon. Waves 6
to 9 feet subsiding to 3 to 6 feet, and occasionally around 11
feet tonight. Waves 3 to 5 feet subsiding to 2 to 4 feet Monday
morning.

$$