279
FZUS61 KBUF 032056
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
456 PM 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 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.

LOZ062-040315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
456 PM EDT Thu Apr 3 2025

.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 10 knots or less becoming southwest.
Waves 2 feet or less.
.FRIDAY NIGHT...Southeast winds 10 knots or less becoming east
and increasing to 15 to 20 knots overnight. Rain showers
overnight. Waves 2 feet or less building to 2 to 4 feet.
.SATURDAY...East winds 15 to 20 knots becoming southwest 10 to
15 knots. Showers. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.SATURDAY NIGHT...West winds 10 to 15 knots becoming northwest.
Showers likely. Waves 2 to 3 feet.
.SUNDAY...Northwest winds 10 to 15 knots. Rain showers likely
during the day. Waves 1 to 2 feet.
.MONDAY...West winds 10 to 15 knots becoming northwest 15 to
20 knots. A chance of rain and snow showers. Waves 1 to 2 feet
building to 3 to 5 feet.
.TUESDAY...Northwest winds 15 to 25 knots. A chance of snow
showers during the day. Waves 3 to 6 feet.

$$

LOZ063>065-040315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
456 PM EDT Thu Apr 3 2025

.TONIGHT...West winds 15 to 20 knots diminishing to around
10 knots. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves
occasionally around 9 feet.
.FRIDAY...Northwest winds 5 to 10 knots becoming west. Waves 1 to
3 feet.
.FRIDAY NIGHT...Southwest winds 10 knots or less becoming east
10 to 15 knots. Rain showers overnight. Waves 2 feet or less.
.SATURDAY...East winds 15 to 25 knots becoming south. Rain
showers. Waves 2 to 4 feet building to 3 to 6 feet.
.SATURDAY NIGHT...South winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. Showers. Waves 3 to 6 feet
subsiding to 2 to 4 feet.
.SUNDAY...West winds 10 to 15 knots becoming northwest. Rain
showers during the day, then a chance of rain showers Sunday
night. Waves 1 to 3 feet.
.MONDAY...Northwest winds around 10 knots becoming west and
increasing to 15 to 20 knots. A chance of rain and snow showers
Monday night. Waves 1 to 3 feet building to 3 to 5 feet.
.TUESDAY...Northwest winds 15 to 25 knots. A chance of snow
showers. Waves 5 to 8 feet. Waves occasionally around 10 feet.

$$

LOZ061-040315-
MAFOR 0321/
ONTARIO WEST 1/2 12620 11610 11600 13700 11500. Waves 4 to 7 feet
subsiding to 1 to 3 feet, and occasionally around 9 feet tonight.
Waves 2 feet or less Friday.

ONTARIO EAST 1/2 12620 11610 12600 12700 11600. Waves 4 to 7 feet
subsiding to 2 to 4 feet, and occasionally around 9 feet tonight.
Waves 1 to 3 feet Friday.

$$