NZUS99 KBUF 261452
GLFLOT

Experimental Tabular Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
952 AM EST Wed Nov 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 29.6 inch low over the western Great Lakes this
evening will track toward the central Great Lakes Wednesday, then
track into eastern Ontario through Wednesday night while deepening
to 29.4 inches. A cold front from this low will rush across the lake
Wednesday afternoon. The 29.4 inch surface low will then track well
north of the lake Thursday and Friday, as a 30.4 inch surface high
builds into the mid Mississippi Valley Friday and to the Ohio Valley
Saturday. Another surface low will cut northeastward through the
Central Great Lakes Sunday, deepening from 29.6 inches Sunday
morning to 29.4 inches Sunday night over western Quebec.

LOZ062-262100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
952 AM EST Wed Nov 26 2025

...GALE WARNING IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH
FRIDAY EVENING...

.This Afternoon...
Weather.............Mostly cloudy with chance of showers.
Sfc winds...........South 10 to 15 knots increasing to southwest to
                              30 knots in the afternoon.
100-ft winds........South 15 to 20 knots increasing to southwest
                              gales to 35 knots in the afternoon.
Sig waves...........2 to 4 feet building to 10 to 14 feet in the
                              afternoon.
Ocnl waves..........Around 16 feet in the afternoon.

.TONIGHT...
Weather.............Mostly cloudy with chance of showers, then
                              mostly cloudy after midnight.
Sfc winds...........Southwest gales to 45 knots.
100-ft winds........Southwest storm force winds to 55 knots.
Sig waves...........14 to 18 feet.
Ocnl waves..........Around 22 feet.

.THURSDAY...
Weather.............Partly sunny with chance of snow showers, then
                              mostly cloudy with rain and snow showers likely
                              in the afternoon.
Sfc winds...........West gales to 45 knots.
100-ft winds........West storm force winds to 55 knots.
Sig waves...........15 to 20 feet.
Ocnl waves..........Around 26 feet.

.THURSDAY NIGHT...
Weather.............Snow showers with showers likely, then snow
                              showers after midnight.
Sfc winds...........West gales to 40 knots.
100-ft winds........West storm force winds to 50 knots.
Sig waves...........14 to 18 feet.
Ocnl waves..........Around 21 feet.


.FORECAST DAYS 3 THROUGH 5......
.FRIDAY...Windy. Chance of snow showers. West winds to 30 knots.
Waves 8 to 12 feet.
.SATURDAY...Chance of snow showers in the evening. snow showers
after midnight. West winds 10 to 15 knots. Waves 3 to 5 feet.
.SUNDAY...Breezy. Showers, then chance of rain and snow showers.
South winds 20 to 25 knots. Waves 5 to 7 feet.

$$

LOZ063-262100-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
952 AM EST Wed Nov 26 2025

...GALE WARNING IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH
FRIDAY EVENING...

.This Afternoon...
Weather.............Mostly cloudy with chance of showers, then
                              cloudy with showers in the afternoon.
Sfc winds...........South 10 to 15 knots increasing to southwest 20
                              to 25 knots in the afternoon.
100-ft winds........South 15 to 20 knots increasing to southwest to
                              30 knots in the afternoon.
Sig waves...........2 to 4 feet building to 6 to 9 feet in the
                              afternoon.
Ocnl waves..........Around 12 feet in the afternoon.

.TONIGHT...
Weather.............Mostly cloudy with chance of showers, then
                              mostly cloudy with chance of rain and snow
                              showers after midnight.
Sfc winds...........Southwest gales to 40 knots.
100-ft winds........Southwest storm force winds to 50 knots.
Sig waves...........12 to 16 feet.
Ocnl waves..........Around 21 feet.

.THURSDAY...
Weather.............Mostly cloudy with chance of rain and snow
                              showers, then mostly cloudy with rain and snow
                              showers likely in the afternoon.
Sfc winds...........West gales to 45 knots.
100-ft winds........West storm force winds to 55 knots.
Sig waves...........18 to 23 feet.
Ocnl waves..........Around 29 feet.

.THURSDAY NIGHT...
Weather.............Snow showers.
Sfc winds...........West gales to 45 knots.
100-ft winds........West storm force winds to 55 knots.
Sig waves...........15 to 20 feet.
Ocnl waves..........Around 26 feet.


.FORECAST DAYS 3 THROUGH 5......
.FRIDAY...Windy. Snow showers likely in the morning, then chance
of snow showers. West gales to 35 knots. Waves 12 to 16 feet.
.SATURDAY...Chance of snow showers in the morning. chance of snow
showers in the evening, then snow showers likely after midnight.
West winds 10 to 15 knots. Waves 4 to 6 feet.
.SUNDAY...Breezy. Rain and snow showers likely, then chance of
rain and snow showers. South winds 20 to 25 knots. Waves 5 to
7 feet.

$$

LOZ064-065-262100-
Lake Ontario open waters from Sodus Bay to Mexico Bay-
Lake Ontario open waters from Mexico Bay to the Saint Lawrence
River-
952 AM EST Wed Nov 26 2025

...GALE WARNING IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH
FRIDAY EVENING...

.This Afternoon...
Weather.............Cloudy with chance of showers, then cloudy with
                              showers in the afternoon.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........2 to 4 feet building to 6 to 9 feet in the
                              afternoon.
Ocnl waves..........Around 11 feet in the afternoon.

.TONIGHT...
Weather.............Mostly cloudy with chance of showers, then
                              mostly cloudy with chance of rain and snow
                              showers after midnight.
Sfc winds...........Southwest gales to 40 knots.
100-ft winds........Southwest storm force winds to 50 knots.
Sig waves...........14 to 18 feet.
Ocnl waves..........Around 22 feet.

.THURSDAY...
Weather.............Showers likely, then rain and snow showers in
                              the afternoon.
Sfc winds...........Southwest gales to 45 knots.
100-ft winds........Southwest storm force winds to 55 knots.
Sig waves...........18 to 23 feet.
Ocnl waves..........Around 29 feet.

.THURSDAY NIGHT...
Weather.............Snow showers.
Sfc winds...........West gales to 45 knots.
100-ft winds........West storm force winds to 55 knots.
Sig waves...........15 to 20 feet.
Ocnl waves..........Around 27 feet.


.FORECAST DAYS 3 THROUGH 5......
.FRIDAY...Windy. Chance of snow showers. West gales to 35 knots.
Waves 12 to 16 feet.
.SATURDAY...Chance of snow showers in the evening. snow showers
likely after midnight. Northwest winds 15 to 20 knots. Waves 4 to
6 feet.
.SUNDAY...Windy. Rain and snow showers, then showers likely with
a chance of snow showers. South winds to 30 knots. Waves 6 to
9 feet.

$$

LOZ061-262100-
MAFOR 2616/
ONTARIO WEST 1/2...GALE WARNING IN EFFECT...11430 11556 12550
11557 11550 12650. Waves 1 to 2 feet building to 8 to 11 feet
this afternoon. Waves 10 to 14 feet building to 11 to 16 feet
tonight. Waves 14 to 18 feet Thursday morning.

ONTARIO EAST 1/2...GALE WARNING IN EFFECT...11410 11536 11656
14550 11556. A chance of snow showers overnight and Thursday
morning. Waves 1 to 3 feet building to 5 to 8 feet this
afternoon. Waves 10 to 15 feet tonight. Waves 14 to 19 feet
Thursday morning.

$$

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

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