Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 172019
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
419 PM EDT Sun Mar 17 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 29.4 inch low will slowly move eastward across
southern Quebec today. A trailing cold front will cross the lake
on Monday. The aforementioned low will then sit and spin over the
Canadian Maritimes through mid week. A 30.5 inch surface high will
then expand across the Lake later Thursday and through Friday.

LOZ062-180300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
419 PM EDT Sun Mar 17 2024

.TONIGHT...West winds 15 to 25 knots. Waves 5 to 8 feet. Waves
occasionally around 10 feet.
.MONDAY...West winds to 30 knots becoming northwest. Waves 6 to
10 feet subsiding to 5 to 8 feet. Waves occasionally around
13 feet.
.MONDAY NIGHT...Northwest winds 15 to 25 knots becoming west. A
chance of snow showers overnight. Waves 4 to 7 feet subsiding to
3 to 6 feet. Waves occasionally around 9 feet.
.TUESDAY...West winds 15 to 20 knots becoming southwest. A chance
of snow showers in the morning, then snow showers likely in the
afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.TUESDAY NIGHT...Southwest winds 15 to 20 knots becoming west
5 to 15 knots. A chance of snow showers. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.WEDNESDAY...West winds 15 to 25 knots becoming northwest to
30 knots. Snow showers likely during the day, then a chance of
snow showers Wednesday night. Waves 2 to 4 feet building to 9 to
12 feet, then subsiding to 7 to 10 feet. Waves occasionally
around 15 feet.
.THURSDAY...Northwest winds 15 to 20 knots becoming north 10 to
15 knots. A chance of snow showers Thursday night. Waves 4 to
7 feet subsiding to 2 to 4 feet. Waves occasionally around
9 feet.
.FRIDAY...Northeast winds 10 to 15 knots. A chance of snow
showers. Waves 2 to 3 feet.

$$

LOZ063>065-180300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
419 PM EDT Sun Mar 17 2024

.TONIGHT...West winds 15 to 25 knots increasing to 30 knots.
Waves 4 to 7 feet building to 7 to 10 feet. Waves occasionally
around 13 feet.
.MONDAY...West winds to 30 knots diminishing to 15 to 25 knots. A
chance of snow showers. Waves 8 to 12 feet subsiding to 7 to
10 feet. Waves occasionally around 15 feet.
.MONDAY NIGHT...West winds 15 to 25 knots becoming northwest. A
chance of snow showers in the evening, then snow showers likely
overnight. Waves 5 to 9 feet subsiding to 4 to 7 feet. Waves
occasionally around 11 feet.
.TUESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Lake effect snow showers likely. Waves 3 to 6 feet
subsiding to 2 to 4 feet.
.TUESDAY NIGHT...Southwest winds 5 to 15 knots. Lake effect snow
showers likely. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.WEDNESDAY...West winds 15 to 20 knots becoming northwest and
increasing to 30 knots. Snow showers likely during the day, then
a chance of snow showers Wednesday night. Waves 2 to 4 feet
building to 10 to 15 feet. Waves occasionally around 19 feet.
.THURSDAY...Northwest winds 15 to 25 knots becoming north and
diminishing to 10 to 15 knots. A chance of snow showers. Waves
6 to 9 feet subsiding to 2 to 4 feet. Waves occasionally around
11 feet.
.FRIDAY...Northeast winds 5 to 15 knots. A chance of snow
showers. Waves 1 to 3 feet.

$$

LOZ061-180300-
MAFOR 1721/
ONTARIO WEST 1/2 12620 12630 12640 12630. Waves 4 to 7 feet
building to 6 to 9 feet, and occasionally around 11 feet tonight.
Waves 6 to 10 feet subsiding to 5 to 8 feet, and occasionally
around 13 feet Monday.

ONTARIO EAST 1/2 12620 12630 13640 11630. A chance of snow
showers Monday morning. Waves 4 to 7 feet subsiding to 3 to 6
feet, then building to 7 to 10 feet, and occasionally around 13
feet tonight. Waves 8 to 12 feet subsiding to 7 to 10 feet, and
occasionally around 15 feet Monday.

$$


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