000
FZUS61 KBUF 172014
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
414 PM 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 29.5 inch low 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 late
Friday. Meanwhile expansive high pressure will move from the
Canadian Rockies to the central Plains through Sunday and across
the eastern Great Lakes Monday.

LOZ062-180330-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
414 PM EDT Wed Apr 17 2024

.TONIGHT...East winds to 30 knots becoming south and diminishing
to 10 to 15 knots after midnight. Occasional showers with a
chance of thunderstorms this evening, then showers likely after
midnight. A chance of showers late. Waves 5 to 9 feet subsiding
to 2 to 4 feet. Waves occasionally around 11 feet.
.THURSDAY...Southwest winds 5 to 15 knots. Waves 1 to 3 feet.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots becoming
southeast. A chance of showers overnight. Waves 2 feet or less.
.FRIDAY...Southeast winds 10 to 15 knots becoming west 15 to
20 knots. Showers. Waves 1 to 3 feet building to 2 to 4 feet.
.FRIDAY NIGHT...West winds 15 to 20 knots. A chance of showers in
the evening. Waves 2 to 4 feet.
.SATURDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of rain showers. Waves 3 to 5 feet subsiding
to 2 to 4 feet.
.SUNDAY...West winds 10 to 15 knots. Waves 1 to 3 feet.
.MONDAY...Southwest winds around 10 knots. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-180330-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
414 PM EDT Wed Apr 17 2024

.TONIGHT...East winds 15 to 25 knots becoming southeast.
Occasional showers with a chance of thunderstorms. Waves 3 to
5 feet subsiding to 2 to 4 feet.
.THURSDAY...South winds 15 to 20 knots diminishing to 10 to
15 knots. Showers likely early, then a chance of showers from
late morning on. Waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 1 to 3 feet.
.THURSDAY NIGHT...South winds 5 to 15 knots becoming southeast
15 to 20 knots. A chance of showers in the evening. Waves 1 to
3 feet building to 2 to 4 feet.
.FRIDAY...Southeast winds 15 to 25 knots becoming southwest.
Showers. Waves 3 to 6 feet.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west.
Showers in the evening. Waves 3 to 5 feet subsiding to 2 to
4 feet.
.SATURDAY...West winds 15 to 20 knots. A chance of rain showers.
Waves 3 to 5 feet.
.SUNDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.MONDAY...West winds 5 to 15 knots becoming south. Waves 1 to
2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-180330-
MAFOR 1721/
ONTARIO WEST 1/2 12246 11236 11320 14510. A chance of
thunderstorms this evening. Waves 5 to 9 feet subsiding to 2 to 4
feet, and occasionally around 11 feet tonight. Waves 1 to 3 feet
Thursday.

ONTARIO EAST 1/2 12236 11226 11326 11320 11420 12410. A chance of
thunderstorms tonight. Waves 2 to 4 feet building to 3 to 5 feet,
then subsiding to 2 to 4 feet tonight. Waves 2 to 4 feet
subsiding to 1 to 3 feet Thursday.

$$