910
FZUS61 KBUF 151402
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 AM EDT Sun Jun 15 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 30.3 inch high will build from Quebec to the Canadian
Maritimes this afternoon. A frontal boundary will remain stalled
south of the lower Great Lakes through Monday as a weak 29.9 inch
low moves from the Ohio Valley to the Mid Atlantic. Another 29.6
inch low will then push northeast across the upper Great Lakes
Tuesday, followed by a 29.5 inch low forecast to track across the
central Great Lakes and Quebec Wednesday through Thursday.

LOZ062-152100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 AM EDT Sun Jun 15 2025

.THIS AFTERNOON...Northeast winds 5 to 10 knots becoming east.
Waves 1 to 2 feet.
.TONIGHT...East winds 5 to 10 knots. Waves 2 feet or less.
.MONDAY...East winds 5 to 10 knots. Waves 1 foot or less.
.MONDAY NIGHT...East winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.TUESDAY...Southeast winds 10 knots or less becoming southwest. A
chance of showers. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 5 to 10 knots. Showers likely with a
chance of thunderstorms. Waves 1 to 3 feet building to 2 to
4 feet.
.THURSDAY...West winds 10 to 15 knots. Showers likely with a
chance of thunderstorms during the day, then a chance of showers
and thunderstorms Thursday night. Waves 3 to 6 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-152100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 AM EDT Sun Jun 15 2025

.THIS AFTERNOON...Northeast winds 5 to 10 knots. Waves 1 foot or
less.
.TONIGHT...Northeast winds 10 knots or less becoming east. Waves
1 foot or less.
.MONDAY...Southeast winds less than 10 knots becoming east. Waves
1 foot or less.
.MONDAY NIGHT...Southeast winds 10 knots or less becoming south.
Waves 1 foot or less.
.TUESDAY...Southeast winds 5 to 15 knots becoming south. A chance
of showers. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 5 to 10 knots. A chance of showers
and thunderstorms during the day, then showers likely with a
chance of thunderstorms Wednesday night. Waves 1 to 3 feet.
.THURSDAY...Southwest winds 10 to 15 knots becoming west. Showers
likely with a chance of thunderstorms. Waves 2 to 4 feet building
to 4 to 7 feet, then subsiding to 3 to 6 feet. Waves occasionally
around 9 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-152100-
MAFOR 1515/
ONTARIO WEST 1/2 16200. Waves 2 feet or less.

ONTARIO EAST 1/2 14100 12200 12300. Waves 1 foot or less.

$$