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000
FZUS61 KBUF 180147
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
947 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 overnight and Thursday sending a cold front across the lake.
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.

LOZ062-180915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
947 PM EDT Wed Apr 17 2024

.OVERNIGHT...East winds to 30 knots becoming southwest and
diminishing to 10 to 15 knots. Showers with a chance of
thunderstorms, then a chance of showers late. Patchy fog late.
Waves 5 to 9 feet subsiding to 3 to 5 feet. Waves occasionally
around 11 feet.
.THURSDAY...Southwest winds 10 to 15 knots. Patchy fog 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 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 2 to 3 feet.
.MONDAY...Southwest winds around 10 knots. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-180915-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
947 PM EDT Wed Apr 17 2024

.OVERNIGHT...East winds 15 to 25 knots becoming southeast.
Showers with a chance of thunderstorms, then showers late. Waves
3 to 6 feet.
.THURSDAY...South winds 15 to 20 knots diminishing to 10 to
15 knots. Patchy fog in the morning. Showers likely early, then a
chance of showers from late morning on. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.THURSDAY NIGHT...South winds 10 to 15 knots becoming southeast
15 to 20 knots. A chance of showers in the evening. Waves 1 to
3 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 6 feet.
.SUNDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 2 to 4 feet.
.MONDAY...West winds 5 to 15 knots becoming south. Waves 1 to
3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-180915-
MAFOR 1803/
ONTARIO WEST 1/2 11236 11420 13510 11610 12500. A chance of
thunderstorms late this evening. Waves 5 to 9 feet subsiding to 3
to 5 feet, and occasionally around 11 feet overnight. Waves 2 to
4 feet subsiding to 1 to 3 feet Thursday. Waves 1 to 2 feet
Thursday evening.

ONTARIO EAST 1/2 11226 11326 11320 12420 11410 12310. A chance of
thunderstorms overnight. Waves 3 to 5 feet subsiding to 2 to 4
feet overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet
Thursday. Waves 2 feet or less Thursday evening.

$$