Experimental Modernized Open Lake Forecast - Lake Ontario

NZUS99 KBUF 272352
GLFLOT

Experimental Tabular Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
752 PM EDT Sun Apr 27 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 will continue to move east across the
Canadian Maritimes through tonight. Meanwhile, a 30.4 inch high will
build east across the lower Great Lakes tonight before drifting to
the eastern seaboard Monday. A 29.4 inch low will then cross the
upper Great Lakes Monday night, reaching Quebec Tuesday before
moving to the Gulf of Saint Lawrence Wednesday. A strong cold front
trailing this low will cross the lake Tuesday evening. A 30.3 inch
high is then forecast to build into the central Great Lakes
Wednesday before moving to New England Thursday.

LOZ062-280800-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
752 PM EDT Sun Apr 27 2025

.Overnight...
Weather.............Mostly clear.
Sfc winds...........West 10 to 15 knots becoming northwest 5 to 10
                              knots after midnight.
100-ft winds........West 15 to 20 knots becoming northwest 10 to 15
                              knots after midnight.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet in the evening.

.MONDAY...
Weather.............Sunny.
Sfc winds...........Southwest 5 to 10 knots becoming southeast in
                              the afternoon.
100-ft winds........Southwest 10 to 15 knots becoming southeast in
                              the afternoon.
Sig waves...........1 to 3 feet.

.MONDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........East 10 to 15 knots becoming south after
                              midnight.
100-ft winds........East 15 to 20 knots becoming south after
                              midnight.
Sig waves...........2 to 4 feet.

.TUESDAY...
Weather.............Partly sunny, then chance of showers in the
                              afternoon.
Sfc winds...........Southwest to 30 knots.
100-ft winds........Southwest gales to 35 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 11 feet.

.TUESDAY NIGHT...
Weather.............Mostly cloudy with showers likely with a chance
                              of thunderstorms, then partly cloudy after
                              midnight.
Sfc winds...........Southwest to 30 knots becoming west 15 to 20
                              knots after midnight.
100-ft winds........Southwest gales to 35 knots becoming west 20 to
                              25 knots after midnight.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 12 feet.


.FORECAST DAYS 3 THROUGH 5......
.WEDNESDAY...West winds 10 to 15 knots. Waves 3 to 5 feet.
.THURSDAY...Chance of showers, then showers likely with a chance
of thunderstorms. East winds 15 to 20 knots. Waves 3 to 5 feet.
.FRIDAY...Chance of showers. Southwest winds 15 to 20 knots.
Waves 3 to 5 feet.

$$

LOZ063>065-280800-
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-
752 PM EDT Sun Apr 27 2025

.Overnight...
Weather.............Mostly clear.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet after
                              midnight.
Ocnl waves..........Around 6 feet in the evening.

.MONDAY...
Weather.............Sunny.
Sfc winds...........Southwest 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.
Sig waves...........1 to 3 feet.

.MONDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........East 10 to 15 knots becoming southeast 15 to 20
                              knots after midnight.
100-ft winds........East 15 to 20 knots becoming southeast 20 to 25
                              knots after midnight.
Sig waves...........2 to 4 feet building to 3 to 5 feet after
                              midnight.
Ocnl waves..........Around 6 feet after midnight.

.TUESDAY...
Weather.............Mostly sunny, then mostly cloudy with chance of
                              showers and thunderstorms in the afternoon.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 9 feet.

.TUESDAY NIGHT...
Weather.............Mostly cloudy with showers likely with a chance
                              of thunderstorms, then mostly cloudy with
                              chance of showers after midnight.
Sfc winds...........Southwest to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 13 feet.


.FORECAST DAYS 3 THROUGH 5......
.WEDNESDAY...Northwest winds 10 to 15 knots. Waves 4 to 6 feet.
.THURSDAY...Showers likely in the afternoon and evening. chance
of thunderstorms. chance of showers after midnight. East winds
15 to 20 knots. Waves 4 to 6 feet.
.FRIDAY...Chance of showers. South winds 15 to 20 knots. Waves
4 to 6 feet.

$$

LOZ061-280800-
MAFOR 2803/
ONTARIO WEST 1/2 11700 11600 12500 11700 12200 11300. Waves 1 to
3 feet overnight. Waves 1 foot or less Monday and Monday evening.

ONTARIO EAST 1/2 11700 12600 12500 12200 11300. Waves 1 to 3 feet
overnight. Waves 2 feet or less Monday and Monday evening.

$$

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

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