665
FZUS61 KBUF 281402
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 AM EDT Sat Jun 28 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 29.7 inch low will move east across central Quebec
today, reaching the Canadian Maritimes by Sunday night. A trailing
cold front will cross the lake this afternoon. A 30.0 inch high will
build over the lower Great Lakes Sunday through Sunday night. A 29.6
inch low will then move from northwest Ontario province Monday to
east of Hudson Bay Tuesday while deepening to 29.2 inches. A cold
front trailing this low will cross the lake Tuesday morning. A 29.9
inch high will build into the Upper Great Lakes Wednesday.

LOZ062-282100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 AM EDT Sat Jun 28 2025

.THIS AFTERNOON...Southwest winds 10 to 15 knots becoming west.
Waves 2 to 3 feet.
.TONIGHT...West winds 5 to 15 knots. Waves 1 to 3 feet.
.SUNDAY...West winds 5 to 10 knots becoming southwest. Waves
1 foot or less.
.SUNDAY NIGHT...South winds 5 to 10 knots becoming southwest.
Waves 1 foot or less.
.MONDAY...South winds 5 to 15 knots becoming southwest. Showers
with a chance of thunderstorms. Waves 2 feet or less.
.TUESDAY...West winds 10 to 15 knots. Showers likely with a
chance of thunderstorms during the day. Waves 1 to 2 feet.
.WEDNESDAY...West winds 10 to 15 knots. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-282100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 AM EDT Sat Jun 28 2025

.THIS AFTERNOON...Southwest winds 15 to 20 knots becoming west
10 to 15 knots. A chance of showers late. Waves 2 to 4 feet.
.TONIGHT...West winds 5 to 15 knots. Waves 1 to 3 feet.
.SUNDAY...West winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.MONDAY...South winds 5 to 15 knots becoming southwest. A chance
of showers and thunderstorms during the day, then showers with a
chance of thunderstorms Monday night. Waves 2 feet or less.
.TUESDAY...West winds 10 to 15 knots. Showers with a chance of
thunderstorms during the day. Waves 1 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots becoming southwest. Waves
1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-282100-
MAFOR 2815/
ONTARIO WEST 1/2 13610 11710 11700 13600. Waves 1 to 3 feet this
afternoon and tonight. Waves 1 foot or less Sunday morning.

ONTARIO EAST 1/2 11520 14610 13600. Waves 2 to 4 feet this
afternoon. Waves 1 to 3 feet tonight and Sunday morning.

$$