102
FZUS61 KBUF 262001
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
401 PM EDT Sat Apr 26 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 29.6 inch low will exit east across New England
tonight, while a 30.4 inch high builds east from the upper to
central Great Lakes overnight, then into the lower Great Lakes on
Sunday. The high will move east of the Lake Monday. A 29.3 inch
surface low will cross Quebec Tuesday, with a cold front pushing
across the Lake Tuesday evening. A 30.2 inch area of high pressure
will build across the central Great Lakes on Wednesday, and track
just north of the Lake Wednesday night.

LOZ062-270300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
401 PM EDT Sat Apr 26 2025

.TONIGHT...West winds 20 to 25 knots becoming northwest. A chance
of showers. Waves 5 to 8 feet. Waves occasionally around 10 feet.
.SUNDAY...Northwest winds 15 to 25 knots becoming west. Waves
4 to 7 feet subsiding to 2 to 4 feet. Waves occasionally around
9 feet.
.SUNDAY NIGHT...Northwest winds 5 to 15 knots becoming west.
Waves 2 to 4 feet subsiding to 1 to 3 feet.
.MONDAY...Southwest winds 5 to 10 knots becoming east. Waves
1 foot or less.
.MONDAY NIGHT...East winds 5 to 15 knots becoming south. Waves
1 to 3 feet.
.TUESDAY...Southwest winds 15 to 25 knots becoming west 15 to
20 knots. Showers likely with a chance of thunderstorms. Waves
3 to 5 feet building to 5 to 8 feet. Waves occasionally around
10 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming east 5 to
15 knots. Waves 3 to 5 feet subsiding to 1 foot or less.
.THURSDAY...East winds 5 to 15 knots becoming southeast. A chance
of showers during the day, then showers likely Thursday night.
Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-270300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
401 PM EDT Sat Apr 26 2025

.TONIGHT...West winds to 30 knots becoming northwest. A chance of
showers late this evening. Showers likely after midnight. Waves
7 to 11 feet. Waves occasionally around 14 feet.
.SUNDAY...Northwest winds 15 to 25 knots becoming west. A chance
of showers early. Waves 7 to 10 feet subsiding to 3 to 6 feet.
Waves occasionally around 13 feet.
.SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to
15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.MONDAY...West winds 5 to 10 knots becoming east. Waves 2 feet or
less.
.MONDAY NIGHT...East winds 5 to 15 knots becoming south 15 to
20 knots. Waves 1 foot or less building to 1 to 3 feet.
.TUESDAY...South winds 15 to 25 knots becoming west. Showers and
thunderstorms likely. Waves 2 to 4 feet building to 5 to 8 feet.
Waves occasionally around 10 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming southeast
5 to 15 knots. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves
occasionally around 9 feet.
.THURSDAY...East winds 5 to 15 knots becoming south 15 to
20 knots. A chance of showers during the day, then showers likely
Thursday night. Waves 1 to 3 feet building to 2 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-270300-
MAFOR 2621/
ONTARIO WEST 1/2 12630 11740 13730 11720 11620. A chance of
showers this evening. Waves 5 to 9 feet, and occasionally around
11 feet tonight. Waves 5 to 8 feet subsiding to 3 to 6 feet, and
occasionally around 10 feet Sunday.

ONTARIO EAST 1/2 13640 11746 12730 12720. Waves 7 to 11 feet, and
occasionally around 14 feet tonight. Waves 7 to 10 feet subsiding
to 3 to 6 feet, and occasionally around 13 feet Sunday.

$$