869
FZUS61 KBUF 170302
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 PM EST Sun Nov 16 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 28.9 low over Maine will make its way across the
Canadian Maritimes through Monday, before withdrawing northward
across Labrador on Tuesday. A 30.3 inch high will then build from
the upper Great Lakes Tuesday to the lower Great Lakes Wednesday,
then to New England Thursday. A 29.6 inch low over central Ontario
will then make its way to Quebec Friday, while pushing its trailing
cold front across the lake.

LOZ062-171000-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 PM EST Sun Nov 16 2025

.OVERNIGHT...Northwest winds to 30 knots. A chance of snow
showers. Waves 6 to 10 feet. Waves occasionally around 13 feet.
.MONDAY...Northwest winds to 30 knots. A chance of snow showers
through early afternoon. Waves 5 to 9 feet. Waves occasionally
around 11 feet.
.MONDAY NIGHT...Northwest winds 15 to 25 knots. Waves 4 to 7 feet
subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
.TUESDAY...Northwest winds 15 to 20 knots becoming west 5 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots becoming north.
Waves 2 feet or less.
.WEDNESDAY...Northeast winds 10 knots or less becoming east.
Waves 1 foot or less.
.THURSDAY...East winds 10 knots or less becoming southeast. Rain
showers Thursday night. Waves 2 feet or less.
.FRIDAY...South winds 15 to 20 knots becoming northwest. Showers.
Waves 1 to 3 feet building to 3 to 5 feet.

$$

LOZ063-171000-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
1002 PM EST Sun Nov 16 2025

.OVERNIGHT...Northwest winds to 30 knots. Waves 9 to
13 feet subsiding to 8 to 11 feet. Waves occasionally around
16 feet.
.MONDAY...Northwest winds to 30 knots becoming west. A chance of
snow showers. Waves 7 to 11 feet. Waves occasionally around
14 feet.
.MONDAY NIGHT...Northwest winds 15 to 25 knots. A chance of rain
and snow showers in the evening, then a chance of rain showers
overnight. Waves 5 to 9 feet subsiding to 4 to 7 feet. Waves
occasionally around 11 feet.
.TUESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Waves 3 to 6 feet subsiding to 2 to 4 feet.
.TUESDAY NIGHT...West winds 5 to 10 knots becoming northwest.
Waves 1 to 3 feet.
.WEDNESDAY...North winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.THURSDAY...Southeast winds 10 knots or less increasing to 10 to
15 knots. Rain showers likely Thursday night. Waves 2 feet or
less.
.FRIDAY...South winds 15 to 20 knots becoming west. Showers.
Waves 2 to 4 feet building to 3 to 6 feet.

$$

LOZ064-065-171000-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
1002 PM EST Sun Nov 16 2025

.OVERNIGHT...Northwest winds to 30 knots. A chance of snow
showers. Waves 9 to 13 feet. Waves occasionally around 16 feet.
.MONDAY...Northwest winds to 30 knots. A chance of snow showers
early. Waves 7 to 11 feet. Waves occasionally around 14 feet.
.MONDAY NIGHT...Northwest winds 15 to 25 knots. Waves 6 to
10 feet subsiding to 5 to 8 feet. Waves occasionally around
13 feet.
.TUESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Waves 3 to 6 feet subsiding to 2 to 4 feet.
.TUESDAY NIGHT...West winds 5 to 10 knots becoming northwest.
Waves 1 to 3 feet subsiding to 1 foot or less.
.WEDNESDAY...Northwest winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.THURSDAY...Southeast winds 5 to 10 knots increasing to 15 to
20 knots. Rain showers likely Thursday night. Waves 1 foot or
less building to 1 to 3 feet.
.FRIDAY...South winds 15 to 25 knots becoming west. Showers.
Waves 2 to 4 feet building to 3 to 6 feet.

$$

LOZ061-171000-
MAFOR 1704/
ONTARIO WEST 1/2 13740 11730 11630 13730. A chance of snow
showers overnight and Monday. A chance of rain showers Monday
evening. Waves 7 to 11 feet, and occasionally around 14 feet
overnight. Waves 6 to 9 feet, and occasionally around 11 feet
Monday. Waves 5 to 8 feet, and occasionally around 10 feet Monday
evening.

ONTARIO EAST 1/2 15740 12730. A chance of snow showers Monday
afternoon. A chance of rain showers Monday evening. Waves 9 to 13
feet, and occasionally around 16 feet overnight. Waves 7 to 11
feet, and occasionally around 14 feet Monday. Waves 6 to 10 feet,
and occasionally around 13 feet Monday evening.

$$