587
FZUS61 KBUF 150802
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 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 frontal boundary will remain stalled south of the
lower Great Lakes through Monday. Meanwhile, a 30.3 inch high will
build from Quebec to the Canadian Maritimes this afternoon. A weak
29.9 inch low will move from the Ohio Valley today to the Mid
Atlantic Monday, then another 29.6 inch low will push northeast
across the upper Great Lakes Tuesday. Another 29.5 inch low is then
forecast to track across the central Great Lakes and Quebec
Wednesday through Thursday.

LOZ062-151500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 AM EDT Sun Jun 15 2025

.TODAY...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>065-151500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 AM EDT Sun Jun 15 2025

.TODAY...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.

$$

LOZ061-151500-
MAFOR 1509/
ONTARIO WEST 1/2 12100 15200. Waves 2 feet or less.

ONTARIO EAST 1/2 11200 14100 11100 12200. Waves 1 foot or less.

$$