Great Lakes Forecast
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FZUS61 KBUF 211444
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1043 AM EDT Thu Mar 21 2024

For waters beyond five nautical miles of shore on Lake Ontario

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 29.3 inch coastal low over eastern Maine this
morning will move northeast across the Canadian Maritimes through
tonight. A 30.5 inch surface high over the upper Midwest will
then expand across the lake tonight through Friday. A 30.1 inch
low will track across the Lake on Saturday as a stronger, 29.5
inch surface low tracks along the coast. A 30.4 inch surface high
pressure will build towards the lake Sunday.

LOZ062-212100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1043 AM EDT Thu Mar 21 2024

.THIS AFTERNOON...Northwest winds 15 to 25 knots becoming west.
Waves 5 to 8 feet. Waves occasionally around 10 feet.
.TONIGHT...West winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. Waves 5 to 8 feet subsiding to
2 to 4 feet. Waves occasionally around 10 feet.
.FRIDAY...Northeast winds 10 knots or less becoming east and
increasing to 15 to 20 knots in the afternoon. A chance of snow
showers in the morning, then snow in the afternoon. Waves 1 to
3 feet.
.FRIDAY NIGHT...East winds 15 to 20 knots becoming northeast.
Snow. Waves 3 to 6 feet.
.SATURDAY...North winds 10 to 15 knots increasing to 15 to
20 knots. Snow during the day. Waves 3 to 5 feet subsiding to
2 to 4 feet.
.SUNDAY...North winds 10 to 15 knots becoming east. Waves 1 to
3 feet.
.MONDAY...East winds 15 to 20 knots. Waves 3 to 5 feet.

$$

LOZ063>065-212100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1043 AM EDT Thu Mar 21 2024

.THIS AFTERNOON...Northwest winds to 30 knots becoming west. A
chance of snow showers late. Waves 7 to 11 feet. Waves
occasionally around 14 feet.
.TONIGHT...West winds to 30 knots becoming northwest and
diminishing to 10 to 15 knots after midnight. Waves 7 to 10 feet
subsiding to 3 to 6 feet. Waves occasionally around 13 feet.
.FRIDAY...North winds 5 to 15 knots becoming east. A chance of
snow showers in the afternoon. Waves 2 to 4 feet subsiding to
2 feet or less.
.FRIDAY NIGHT...East winds 15 to 20 knots becoming northeast
10 to 15 knots. Snow in the evening, then snow and rain
overnight. Waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet.
.SATURDAY...North winds 15 to 20 knots. Snow during the day.
Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SUNDAY...North winds 15 to 20 knots becoming east 10 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.MONDAY...East winds 10 to 15 knots increasing to 15 to 20 knots.
Waves 2 to 4 feet building to 3 to 5 feet.

$$

LOZ061-212100-
MAFOR 2115/
ONTARIO WEST 1/2 11730 11630 11640 12730 11710 11800 11200. Waves
6 to 9 feet, and occasionally around 11 feet this afternoon.
Waves 5 to 9 feet subsiding to 3 to 5 feet, and occasionally
around 11 feet tonight. Waves 1 to 3 feet Friday morning.

ONTARIO EAST 1/2 11740 11630 11640 11740 11730 11720 11700 11800.
Waves 7 to 10 feet, and occasionally around 13 feet this
afternoon. Waves 7 to 10 feet subsiding to 3 to 6 feet, and
occasionally around 13 feet tonight. Waves 2 to 4 feet subsiding
to 2 feet or less Friday morning.

$$


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