208
FZUS61 KBUF 030813
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
413 AM EDT Thu Apr 3 2025

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 29.0 inch low will track from Lake Superior to
western Quebec today with its trailing cold front crossing the
lake in the process. A 30.2 inch high will build across the Great
Lakes region tonight and Friday. A frontal boundary will develop
south of the lake with a series of weak lows tracking along this
boundary during the weekend. A weak 29.7 inch trough of low
pressure will move across the Great Lakes on Monday.

LOZ062-031515-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
413 AM EDT Thu Apr 3 2025

.TODAY...South winds 15 to 25 knots becoming west. Showers likely
with a chance of thunderstorms early, then just a chance of
showers late this morning. Waves 2 to 4 feet building to 3 to 6
feet.
.TONIGHT...West winds 15 to 20 knots diminishing to around
10 knots. Waves 3 to 6 feet subsiding to 1 to 3 feet.
.FRIDAY...Northwest winds 5 to 10 knots becoming southwest. Waves
2 feet or less.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots becoming east 15
to 20 knots. A chance of showers in the evening, then widespread
showers overnight. Waves building to 2 to 4 feet.
.SATURDAY...East winds 15 to 20 knots becoming northwest 10 to
15 knots. Showers. Waves 3 to 6 feet.
.SUNDAY...Northwest winds 10 to 15 knots. Rain showers likely.
Waves 2 to 3 feet.
.MONDAY...Northwest winds  increasing to 15 to 20 knots. A chance
of rain and snow showers. Waves building to 3 to 6 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-031515-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
413 AM EDT Thu Apr 3 2025

.TODAY...South winds to 30 knots becoming southwest 15 to
25 knots. Showers with a chance of thunderstorms early, then just a
chance of showers. Some thunderstorms may produce gusty winds.
Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally
around 9 feet.
.TONIGHT...West winds 15 to 20 knots diminishing to 5 to
15 knots. Waves 3 to 6 feet subsiding to 2 to 4 feet.
.FRIDAY...West winds 5 to 10 knots. Waves 1 to 3 feet.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots becoming east. A
chance of rain showers in the evening, then rain showers likely
overnight. Waves 2 feet or less.
.SATURDAY...East winds 15 to 25 knots. Rain showers. Waves
building to 3 to 6 feet.
.SUNDAY...Northwest winds 10 to 15 knots. Rain showers. Waves 1
to 3 feet.
.MONDAY...Northwest winds 10 to 15 knots becoming west 15 to
20 knots. A chance of rain and snow showers Monday night. Waves
building to 3 to 6 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-031515-
MAFOR 0309/
ONTARIO WEST 1/2 11426 11520 11530 11520 12620 11610 11600. A
chance of thunderstorms this morning. Waves 2 to 4 feet building
to 3 to 6 feet today. Waves 3 to 6 feet subsiding to 1 to 3 feet
tonight.

ONTARIO EAST 1/2 11446 11430 11530 11520 12620 11610 11600. A
chance of thunderstorms this morning. Waves 3 to 6 feet building
to 4 to 7 feet, then subsiding to 3 to 6 feet, and occasionally
around 9 feet today. Waves 3 to 6 feet subsiding to 2 to 4 feet
tonight.

$$

EAJ/RSH