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000
FZUS61 KBUF 170839
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
439 AM EDT Wed Apr 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 29.3 inch low will move from the upper Mississippi
Valley to the Great Lakes today. The weakening storm system will
pass to the northwest of the lake tonight and Thursday sending a
cold front across the lake tonight. The next storm system will
average 29.8 inches as it slowly crosses northern Ontario and
northern Quebec Friday and Saturday sending a secondary cold front
across the Lake Friday night, while expansive high pressure moves
from the Canadian Rockies to the central Plains through Sunday.

LOZ062-171515-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
439 AM EDT Wed Apr 17 2024

.TODAY...East winds to 30 knots. A chance of showers early, then
showers. Showers with a chance of thunderstorms late. Waves 6 to
9 feet. Waves occasionally around 11 feet.
.TONIGHT...East winds to 30 knots becoming south and diminishing
to 10 to 15 knots after midnight. Showers with a chance of
thunderstorms through the early overnight, then a chance of
showers and thunderstorms late. Waves 6 to 9 feet subsiding to
3 to 5 feet. Waves occasionally around 11 feet.
.THURSDAY...Southwest winds 5 to 15 knots. A chance of showers in
the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots becoming
southeast. A chance of showers overnight. Waves 1 to 2 feet.
.FRIDAY...Southeast winds 10 to 15 knots becoming west 15 to
20 knots. Showers during the day, then a chance of showers Friday
night. Waves 1 to 2 feet building to 2 to 4 feet.
.SATURDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of rain showers. Waves 2 to 4 feet.
.SUNDAY...West winds 10 to 15 knots becoming southwest. Waves
1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-171515-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
439 AM EDT Wed Apr 17 2024

.TODAY...East winds 15 to 25 knots. Showers this afternoon. Waves
3 to 6 feet building to 4 to 7 feet, then subsiding to 3 to
6 feet. Waves occasionally around 9 feet.
.TONIGHT...East winds 15 to 20 knots becoming southeast. Showers
with a chance of thunderstorms. Waves 3 to 6 feet.
.THURSDAY...Southeast winds 15 to 25 knots becoming south and
diminishing to 10 to 15 knots. Showers likely in the morning,
then a chance of showers in the afternoon. Waves 3 to 6 feet.
.THURSDAY NIGHT...South winds 10 to 15 knots becoming southeast
15 to 20 knots. A chance of showers in the evening. Waves 2 to
4 feet.
.FRIDAY...Southeast winds 15 to 25 knots becoming west. Showers.
Waves 3 to 6 feet subsiding to 2 to 3 feet.
.SATURDAY...West winds 15 to 20 knots. A chance of rain showers.
Waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to
4 feet.
.SUNDAY...West winds 10 to 15 knots becoming southwest. Waves
2 to 4 feet subsiding to 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-171515-
MAFOR 1709/
ONTARIO WEST 1/2 12230 13246 11236 11226 11310. A chance of
thunderstorms this evening. Waves 4 to 6 feet building to 6 to 9
feet, and occasionally around 11 feet today. Waves 6 to 9 feet
subsiding to 3 to 5 feet, and occasionally around 11 feet
tonight.

ONTARIO EAST 1/2 11120 11220 11120 11126 13226 11326. A chance of
thunderstorms tonight. Waves 2 to 4 feet building to 3 to 6 feet,
then subsiding to 2 to 4 feet today. Waves 2 to 4 feet building
to 3 to 5 feet tonight.

$$