Experimental Modernized Open Lake Forecast - Lake Ontario

NZUS99 KBUF 061452
GLFLOT

Experimental Tabular Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1052 AM EDT Sun Sep 6 2026

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 large high pressure ridge averaging 30.2 inches will gradually
build from the upper Great Lakes southeast across the Lower Lakes
through Tuesday. The ridge will shift southeast on Wednesday,
allowing a warm front to sweep northeastward across the Lake,
followed by a cold front crossing the Lake later Wednesday night
into Thursday.

LOZ062-062000-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1052 AM EDT Sun Sep 6 2026

.This Afternoon...
Weather.............Partly sunny.
Sfc winds...........Northeast 10 to 15 knots.
100-ft winds........Northeast 15 to 20 knots.
Sig waves...........2 to 4 feet.

.TONIGHT...
Weather.............Mostly clear.
Sfc winds...........Light and variable winds.
100-ft winds........Light and variable winds.
Sig waves...........1 to 3 feet.

.MONDAY...
Weather.............Mostly sunny.
Sfc winds...........Light and variable winds.
100-ft winds........Light and variable winds.
Sig waves...........2 feet or less.

.MONDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........Light and variable winds.
100-ft winds........Light and variable winds.
Sig waves...........2 feet or less.


.FORECAST DAYS 3 THROUGH 5......
.TUESDAY...East winds 5 to 10 knots. Waves 2 feet or less.
.WEDNESDAY...Breezy. Showers likely with a chance of
thunderstorms in the afternoon and evening. Southwest winds 20 to
25 knots. Waves 5 to 7 feet.
.THURSDAY...West winds 15 to 20 knots. Waves 4 to 6 feet.

$$

LOZ063>065-062000-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
Lake Ontario open waters from Sodus Bay to Mexico Bay-
Lake Ontario open waters from Mexico Bay to the Saint Lawrence
River-
1052 AM EDT Sun Sep 6 2026

.This Afternoon...
Weather.............Mostly sunny.
Sfc winds...........North 15 to 20 knots.
100-ft winds........North 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.

.TONIGHT...
Weather.............Mostly clear.
Sfc winds...........North 5 to 10 knots.
100-ft winds........North 10 to 15 knots.
Sig waves...........1 to 3 feet.

.MONDAY...
Weather.............Mostly sunny.
Sfc winds...........North 5 to 10 knots becoming west in the
                              afternoon.
100-ft winds........North 10 to 15 knots becoming west in the
                              afternoon.
Sig waves...........2 feet or less.

.MONDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........West 5 to 10 knots.
100-ft winds........West 10 to 15 knots.
Sig waves...........2 to 4 feet.


.FORECAST DAYS 3 THROUGH 5......
.TUESDAY...Southwest winds 5 to 10 knots. Waves 2 to 4 feet.
.WEDNESDAY...Breezy. Chance of showers. chance of thunderstorms
in the afternoon. South winds 20 to 25 knots. Waves 5 to 7 feet.
.THURSDAY...Breezy. West winds 20 to 25 knots. Waves 5 to 7 feet.

$$

LOZ061-062000-
MAFOR 0615/
ONTARIO WEST 1/2 11110 12200 13800 12700. Waves 1 to 3 feet this
afternoon. Waves 1 foot or less tonight and Monday morning.

ONTARIO EAST 1/2 13110 14800 11700. Waves 2 to 4 feet subsiding
to 1 to 3 feet this afternoon. Waves 2 feet or less tonight and
Monday morning.

$$

Occasional waves will only be displayed when values meet or exceed 5 feet / 2 meters.

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