494
FZUS61 KBUF 162102
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 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.

LOZ062-170400-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL 1 AM EST MONDAY...

.TONIGHT...Northwest winds to 30 knots. A chance of snow and rain
showers early, then a chance of snow showers from late evening
on. Waves 7 to 11 feet subsiding to 6 to 9 feet. Waves
occasionally around 14 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.

$$

LOZ063-170400-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
402 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL 1 AM EST MONDAY...

.TONIGHT...Northwest gales to 35 knots diminishing to 30 knots. A
chance of snow and rain showers early. Waves 10 to 15 feet
subsiding to 8 to 12 feet. Waves occasionally around 19 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.

$$

LOZ064-065-170400-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
402 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL 1 AM EST MONDAY...

.TONIGHT...Northwest gales to 35 knots. A chance of snow showers.
Waves 10 to 15 feet subsiding to 9 to 12 feet. Waves occasionally
around 19 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.

$$

LOZ061-170400-
MAFOR 1622/
ONTARIO WEST 1/2...GALE WARNING IN EFFECT...14740 11740 11730
11630 11730. A chance of rain and snow showers, then a chance of
snow showers early this evening. A chance of snow showers Monday.
Waves 9 to 13 feet subsiding to 7 to 11 feet, and occasionally
around 16 feet tonight. Waves 6 to 9 feet, and occasionally
around 11 feet Monday.

ONTARIO EAST 1/2...GALE WARNING IN EFFECT...12750 15740. A chance
of snow showers Monday afternoon. Waves 10 to 15 feet subsiding
to 9 to 12 feet, and occasionally around 19 feet tonight. Waves 7
to 11 feet, and occasionally around 14 feet Monday.

$$