Experimental Modernized Open Lake Forecast - Lake Ontario

NZUS99 KBUF 261752
GLFLOT

Experimental Tabular Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
152 PM EDT Fri Sep 26 2025

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 29.8 inch low will slowly work east across the Hudson
Bay today, followed by a 30.2 inch high passing by to our north and
then off to our east on Saturday. A weak front will approach the
lake Saturday night into Sunday, then an expansive 30.2 inch high
will build east across the entire Great Lakes through Tuesday.

LOZ062-270200-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
152 PM EDT Fri Sep 26 2025

.Tonight...
Weather.............Partly cloudy.
Sfc winds...........South 5 to 10 knots.
100-ft winds........South 10 to 15 knots.
Sig waves...........1 to 3 feet.

.SATURDAY...
Weather.............Partly sunny.
Sfc winds...........South 5 to 10 knots.
100-ft winds........South 10 to 15 knots.
Sig waves...........2 feet or less.

.SATURDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........East 5 to 10 knots becoming southwest 10 to 15
                              knots after midnight.
100-ft winds........East 10 to 15 knots becoming southwest 15 to 20
                              knots after midnight.
Sig waves...........2 feet or less.

.SUNDAY...
Weather.............Sunny.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........2 feet or less.

.SUNDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........West 5 to 10 knots.
100-ft winds........West 10 to 15 knots.
Sig waves...........2 feet or less.


.FORECAST DAYS 3 THROUGH 5......
.MONDAY...Light and variable winds. Waves 1 to 3 feet.
.TUESDAY...North winds 10 to 15 knots. Waves 3 to 5 feet.
.WEDNESDAY...Northeast winds 15 to 20 knots. Waves 3 to 5 feet.

$$

LOZ063>065-270200-
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-
152 PM EDT Fri Sep 26 2025

.Tonight...
Weather.............Partly cloudy.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........2 to 4 feet.

.SATURDAY...
Weather.............Partly sunny.
Sfc winds...........Southeast 5 to 10 knots.
100-ft winds........Southeast 10 to 15 knots.
Sig waves...........2 feet or less.

.SATURDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........East 5 to 10 knots becoming southwest 10 to 15
                              knots after midnight.
100-ft winds........East 10 to 15 knots becoming southwest 15 to 20
                              knots after midnight.
Sig waves...........2 feet or less.

.SUNDAY...
Weather.............Sunny.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........1 to 3 feet.

.SUNDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Southwest 5 to 10 knots becoming northwest
                              after midnight.
100-ft winds........Southwest 10 to 15 knots becoming northwest
                              after midnight.
Sig waves...........2 feet or less.


.FORECAST DAYS 3 THROUGH 5......
.MONDAY...Light and variable winds. Waves 1 to 3 feet.
.TUESDAY...Northeast winds 10 to 15 knots. Waves 3 to 5 feet.
.WEDNESDAY...Breezy. Northeast winds 20 to 25 knots. Waves 3 to
5 feet.

$$

LOZ061-270200-
MAFOR 2621/
ONTARIO WEST 1/2 11610 12500 14400 11200. Waves 2 feet or less.

ONTARIO EAST 1/2 12610 11700 11100 11300 12400 11200. Waves 1 to
3 feet subsiding to 1 foot or less tonight. Waves 1 foot or less
Saturday.

$$

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

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