662
FZUS61 KBUF 092102
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 PM 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 low will move off the southern New England
coast tonight, then strengthen further to 29.1 inches while moving
north across Quebec Tuesday. Another 29.2 inch low will move east
across Hudson Bay Wednesday. A 30.1 inch high will then build from
the Canadian Prairies Thursday to northwest Ontario province Friday
while strengthening to 30.3 inches.

LOZ062-100400-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 PM EST Sun Nov 9 2025

.TONIGHT...Northeast winds 15 to 25 knots becoming north. Snow
this evening, then a chance of snow after midnight. Waves 5 to
9 feet subsiding to 4 to 6 feet. Waves occasionally around
11 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 25 knots. Snow showers
likely. Waves 3 to 6 feet.
.TUESDAY...Northwest winds to 30 knots becoming west. A chance of
snow showers in the morning, then a chance of rain and snow
showers in the afternoon. Waves 5 to 8 feet building to 7 to
10 feet. Waves occasionally around 13 feet.
.TUESDAY NIGHT...West winds to 30 knots becoming southwest. Rain
showers. Waves 6 to 10 feet. Waves occasionally around 13 feet.
.WEDNESDAY...West gales to 35 knots. Showers. Waves 8 to 12 feet
subsiding to 7 to 10 feet. Waves occasionally around 15 feet.
.THURSDAY...West winds to 30 knots diminishing to 15 to 20 knots.
Showers likely. Waves 7 to 11 feet subsiding to 3 to 6 feet.
Waves occasionally around 14 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming northeast 10 to
15 knots. A chance of rain showers during the day. Waves 2 to
4 feet subsiding to 1 to 3 feet.

$$

LOZ063>065-100400-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 PM EST Sun Nov 9 2025

.TONIGHT...North winds to 30 knots diminishing to 15 to 20 knots.
Rain and snow early, then snow likely with a chance of rain late
this evening. Snow and rain likely 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. A chance
of snow showers in the morning, then snow showers likely in the
afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.MONDAY NIGHT...Northwest winds 15 to 25 knots. Snow showers.
Waves 2 to 4 feet building to 4 to 7 feet. Waves occasionally
around 9 feet.
.TUESDAY...Northwest winds to 30 knots becoming west. Snow
showers in the morning, then rain and snow showers likely in the
afternoon. Waves 5 to 8 feet building to 9 to 12 feet. Waves
occasionally around 15 feet.
.TUESDAY NIGHT...West winds to 30 knots becoming southwest. Rain
showers. Waves 8 to 12 feet. Waves occasionally around 15 feet.
.WEDNESDAY...West gales to 35 knots diminishing to 30 knots. Rain
showers. Waves 8 to 11 feet building to 10 to 14 feet. Waves
occasionally around 18 feet.
.THURSDAY...West winds to 30 knots diminishing to 15 to 20 knots.
Rain showers. Waves 8 to 12 feet subsiding to 5 to 8 feet. Waves
occasionally around 15 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming north 10 to
15 knots. A chance of rain showers during the day. Waves 3 to
6 feet subsiding to 1 to 3 feet.

$$

LOZ061-100400-
MAFOR 0922/
ONTARIO WEST 1/2 11137 11837 11830 13820 11710 11720. A chance of
snow showers Monday. Waves 5 to 9 feet subsiding to 4 to 6 feet,
and occasionally around 11 feet tonight. Waves 3 to 5 feet
Monday.

ONTARIO EAST 1/2 11146 12830 12820 12710 11727. A chance of snow
tonight. 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.

$$