560
FZUS61 KBUF 160902
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 AM 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 29.2 inch low will deepen to 29.0 inches as it tracks
from Georgian Bay to central New England by Sunday morning while
also sending an attendant cold front across the Lake tonight. This
low will deepen further to 28.8 inches over northern New England
Sunday before moving to the Canadian Maritimes Monday, then north to
Labrador 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.

LOZ062-161600-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 AM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northwest gales to 35 knots. A chance of rain showers
this morning, then a chance of rain and snow showers early this
afternoon. Lake effect snow showers likely late. Waves 10 to
14 feet. Waves occasionally around 18 feet.
.TONIGHT...Northwest winds to 30 knots. A chance of snow showers.
Waves 7 to 11 feet subsiding to 6 to 9 feet. Waves occasionally
around 14 feet.
.MONDAY...Northwest winds to 30 knots becoming west. A chance of
snow showers. Waves 5 to 9 feet. Waves occasionally around
11 feet.
.MONDAY NIGHT...West winds 15 to 25 knots becoming northwest.
Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally
around 9 feet.
.TUESDAY...Northwest winds 15 to 20 knots becoming northeast 5 to
15 knots. Waves 2 to 4 feet subsiding to 1 foot or less.
.WEDNESDAY...East winds 5 to 10 knots. Waves 1 foot or less.
.THURSDAY...Northeast winds 10 knots or less becoming southeast
10 to 15 knots. Showers Thursday night. Waves 2 feet or less.

$$

LOZ063-161600-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
402 AM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northwest gales to 35 knots. A chance of rain showers
this morning. A chance of rain and snow showers late. Waves 12 to
16 feet. Waves occasionally around 20 feet.
.TONIGHT...Northwest gales to 35 knots diminishing to 30 knots. A
chance of snow showers early. Waves 10 to 14 feet subsiding to
8 to 11 feet. Waves occasionally around 18 feet.
.MONDAY...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 7 to 11 feet. Waves occasionally
around 14 feet.
.MONDAY NIGHT...Northwest winds to 30 knots diminishing to 15 to
20 knots. A chance of rain and snow showers in the evening, then
a chance of rain showers overnight. Waves 6 to 10 feet subsiding
to 5 to 8 feet. Waves occasionally around 13 feet.
.TUESDAY...Northwest winds 15 to 20 knots diminishing to 5 to
15 knots. Waves 3 to 6 feet subsiding to 1 to 3 feet.
.WEDNESDAY...East winds 5 to 10 knots becoming southeast. Waves
1 foot or less.
.THURSDAY...East winds 10 knots or less becoming southeast and
increasing to 15 to 20 knots. Showers likely Thursday night.
Waves 1 foot or less building to 1 to 3 feet.

$$

LOZ064-065-161600-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
402 AM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northwest gales to 35 knots. A chance of rain showers
this morning. A chance of rain showers late. Waves 12 to 16 feet.
Waves occasionally around 20 feet.
.TONIGHT...Northwest gales to 35 knots. A chance of snow showers.
Waves 10 to 15 feet subsiding to 8 to 11 feet. Waves occasionally
around 19 feet.
.MONDAY...Northwest winds to 30 knots becoming west. A chance of
snow showers in the morning. Waves 7 to 11 feet. Waves
occasionally around 14 feet.
.MONDAY NIGHT...Northwest winds to 30 knots diminishing to 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 north 5 to
15 knots. Waves 4 to 7 feet subsiding to 2 feet or less. Waves
occasionally around 9 feet.
.WEDNESDAY...East 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. A chance of rain showers during the day, then rain
showers likely Thursday night. Waves 1 foot or less building to
1 to 3 feet.

$$

LOZ061-161600-
MAFOR 1610/
ONTARIO WEST 1/2...GALE WARNING IN EFFECT...14750 14740. A chance
of rain showers this morning, then a chance of snow showers this
afternoon. A chance of snow showers tonight. Waves 10 to 15 feet,
and occasionally around 19 feet today. Waves 8 to 12 feet
subsiding to 7 to 10 feet, and occasionally around 15 feet
tonight.

ONTARIO EAST 1/2...GALE WARNING IN EFFECT...15750 12740. A chance
of rain showers early this morning. Waves 12 to 16 feet, and
occasionally around 20 feet today. Waves 10 to 15 feet subsiding
to 8 to 11 feet, and occasionally around 19 feet tonight.

$$