Experimental Modernized Open Lake Forecast - Lake Ontario

NZUS99 KBUF 102052
GLFLOT

Experimental Tabular Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
452 PM EDT Wed Jun 10 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 warm front will continue northeast of the lake this
evening. Another warm front will cross the lake Thursday night ahead
of a 29.7 inch trough that will cross the lake later Friday.
Associated with the trough, an attendant cold front across the lake
Friday afternoon and evening. A 30.0 inch high will ridge across the
lower Great Lakes Friday night through Sunday morning, before a cold
front crosses the region later Sunday or Sunday night. The eastern
edge of a 30.1 inch high over the central portion of the CONUS will
push over the lake on Monday.

LOZ062-110200-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
452 PM EDT Wed Jun 10 2026

.Tonight...
Weather.............Partly cloudy, then mostly cloudy with chance
                              of showers and thunderstorms after midnight.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.

.THURSDAY...
Weather.............Mostly cloudy.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.

.THURSDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West 10 to 15 knots becoming southwest 5 to 10
                              knots after midnight.
100-ft winds........West 15 to 20 knots becoming southwest 10 to 15
                              knots after midnight.
Sig waves...........2 to 4 feet.

.FRIDAY...
Weather.............Mostly cloudy with chance of showers, then
                              mostly sunny with chance of showers and
                              thunderstorms in the afternoon.
Sfc winds...........Southwest 15 to 20 knots.
100-ft winds........Southwest 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.

.FRIDAY NIGHT...
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 5 feet in the evening.


.FORECAST DAYS 3 THROUGH 5......
.SATURDAY...Chance of showers and thunderstorms after midnight.
West winds 10 to 15 knots. Waves 2 to 4 feet.
.SUNDAY...Chance of thunderstorms in the morning. showers likely.
Southwest winds 10 to 15 knots. Waves 2 to 4 feet.
.MONDAY...West winds 10 to 15 knots. Waves 2 to 4 feet.

$$

LOZ063>065-110200-
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-
452 PM EDT Wed Jun 10 2026

.Tonight...
Weather.............Mostly cloudy, then chance of showers after
                              midnight.
Sfc winds...........South 10 to 15 knots becoming southwest 5 to 10
                              knots after midnight.
100-ft winds........South 15 to 20 knots becoming southwest 10 to
                              15 knots after midnight.
Sig waves...........2 to 4 feet.

.THURSDAY...
Weather.............Cloudy with chance of showers, then mostly
                              cloudy in the afternoon.
Sfc winds...........Southwest 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.
Sig waves...........2 to 4 feet.

.THURSDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........Southwest 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.
Sig waves...........2 to 4 feet.

.FRIDAY...
Weather.............Showers likely, then showers likely with a
                              chance of thunderstorms in the afternoon.
Sfc winds...........South 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet building to 3 to 5 feet in the
                              afternoon.
Ocnl waves..........Around 5 feet in the afternoon.

.FRIDAY NIGHT...
Weather.............Mostly cloudy with showers, then mostly clear
                              after midnight.
Sfc winds...........West 15 to 20 knots.
100-ft winds........West 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.


.FORECAST DAYS 3 THROUGH 5......
.SATURDAY...Chance of showers and thunderstorms after midnight.
Southwest winds 10 to 15 knots. Waves 2 to 4 feet.
.SUNDAY...Chance of thunderstorms in the morning. showers likely.
chance of showers after midnight. South winds 10 to 15 knots.
Waves 2 to 4 feet.
.MONDAY...West winds 10 to 15 knots. Waves 2 to 4 feet.

$$

LOZ061-110200-
MAFOR 1021/
ONTARIO WEST 1/2 11510 14500 12510 11610. A chance of showers
overnight. Waves 2 feet or less.

ONTARIO EAST 1/2 11400 15500 11600. A chance of showers and
thunderstorms early this evening. A chance of showers overnight.
A chance of showers Thursday morning. Waves 1 foot or less.

$$

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

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