Experimental Modernized Open Lake Forecast - Lake Ontario

NZUS99 KBUF 120552
GLFLOT

Experimental Tabular Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
152 AM EDT Thu Jun 12 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 broad 29.5 inch low over the Labrador Sea will move further out to
sea tonight. Meanwhile, a 30.1 inch high will ridge northeast across
the lower Great Lakes tonight as it moves from the Ohio Valley to
the Mid Atlantic through Thursday. A 30.3 inch Canadian high will
then build southeast across the lake Thursday night through
Saturday, however a weak area of low pressure at 29.9 inches will
slide across the Ohio Valley and Mid-Atlantic States Saturday and
Sunday. A 30.2 inch high will move across the Great Lakes region
Sunday night through Monday.

LOZ062-121400-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
152 AM EDT Thu Jun 12 2025

.Today...
Weather.............Mostly sunny.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........2 to 4 feet.

.TONIGHT...
Weather.............Partly cloudy.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots becoming north after
                              midnight.
Sig waves...........2 to 4 feet.

.FRIDAY...
Weather.............Partly sunny.
Sfc winds...........Northeast 10 to 15 knots.
100-ft winds........Northeast 15 to 20 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet.

.FRIDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........East 10 to 15 knots.
100-ft winds........East 15 to 20 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet.


.FORECAST DAYS 3 THROUGH 5......
.SATURDAY...East winds 10 to 15 knots. Waves 2 to 4 feet.
.SUNDAY...Northeast winds 5 to 10 knots. Waves 2 to 4 feet.
.MONDAY...Northeast winds 5 to 10 knots. Waves 2 to 4 feet.

$$

LOZ063>065-121400-
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 AM EDT Thu Jun 12 2025

.Today...
Weather.............Mostly sunny.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.

.TONIGHT...
Weather.............Partly cloudy.
Sfc winds...........West 10 to 15 knots becoming north after
                              midnight.
100-ft winds........West 15 to 20 knots becoming north after
                              midnight.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet after
                              midnight.
Ocnl waves..........Around 5 feet in the evening.

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

.FRIDAY NIGHT...
Weather.............Cloudy, then chance of showers after midnight.
Sfc winds...........Northeast 10 to 15 knots.
100-ft winds........Northeast 15 to 20 knots.
Sig waves...........2 to 4 feet.


.FORECAST DAYS 3 THROUGH 5......
.SATURDAY...Chance of showers in the morning. chance of showers.
Northeast winds 10 to 15 knots. Waves 2 to 4 feet.
.SUNDAY...Chance of showers in the morning. Northeast winds 5 to
10 knots. Waves 2 to 4 feet.
.MONDAY...East winds 5 to 10 knots. Waves 2 to 4 feet.

$$

LOZ061-121400-
MAFOR 1209/
ONTARIO WEST 1/2 14610 11600 11700 11800 11100. Waves 1 to 3
feet.

ONTARIO EAST 1/2 15610 11800 11110. Waves 2 to 4 feet today.
Waves 1 to 3 feet tonight.

$$

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

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