878
FZUS61 KBUF 152002
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 PM 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 30.2 inch high will remain off the New England coast
tonight. 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. A 30.2 inch high will move into
the Great Lakes region Friday.

LOZ062-160300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 PM EDT Sun Jun 15 2025

.TONIGHT...East winds 5 to 10 knots. Waves 1 to 2 feet.
.MONDAY...East winds 5 to 10 knots becoming northeast. Waves
around 1 foot.
.MONDAY NIGHT...East winds 5 to 10 knots becoming south. Waves
1 to 2 feet.
.TUESDAY...Southeast winds 10 knots or less becoming east. A
chance of showers in the afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots becoming
southwest. A chance of showers. Waves 1 foot or less.
.WEDNESDAY...Southwest winds 5 to 15 knots increasing to 15 to
20 knots. A chance of showers and thunderstorms during the day,
then showers likely with a chance of thunderstorms Wednesday
night. Waves 2 feet or less building to 2 to 4 feet.
.THURSDAY...Southwest winds 15 to 20 knots becoming northwest
10 to 15 knots. Showers likely with a chance of thunderstorms
during the day, then a chance of showers and thunderstorms
Thursday night. Waves 2 to 4 feet.
.FRIDAY...Northwest winds 10 to 15 knots becoming southwest.
Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-160300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 PM EDT Sun Jun 15 2025

.TONIGHT...East winds 10 knots or less. Waves 1 foot or less.
.MONDAY...Southeast winds 5 to 10 knots becoming east. Waves
2 feet or less.
.MONDAY NIGHT...Southeast winds 5 to 15 knots. Waves 2 feet or
less.
.TUESDAY...Southeast winds 5 to 15 knots. A chance of showers in
the afternoon. Waves 2 feet or less.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots becoming south. A
chance of showers. Waves 1 to 3 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots becoming south. 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 15 to 20 knots becoming west. Showers
likely with a chance of thunderstorms. Waves 2 to 4 feet building
to 3 to 5 feet, then subsiding to 2 to 4 feet.
.FRIDAY...Northwest winds 10 to 15 knots becoming southwest.
Waves 2 to 4 feet subsiding to 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-160300-
MAFOR 1521/
ONTARIO WEST 1/2 15200 12100. Waves 2 feet or less.

ONTARIO EAST 1/2 11100 13200 12300 11200 11100. Waves 1 foot or
less.

$$