470
FZUS61 KBUF 161402
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 AM EDT Mon Jun 16 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 today 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.

LOZ062-162100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 AM EDT Mon Jun 16 2025

.THIS AFTERNOON...East winds 5 to 10 knots. Waves 1 foot or less.
.TONIGHT...East winds 5 to 10 knots becoming southeast. Waves
1 foot or less.
.TUESDAY...Southeast winds 5 to 10 knots. A chance of showers.
Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots becoming
southwest. A chance of showers. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 5 to 15 knots. A chance of showers
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 25 knots becoming west and
diminishing to 10 to 15 knots. Showers likely during the day,
then a chance of showers Thursday night. Waves 2 to 4 feet.
.FRIDAY...West winds 5 to 10 knots becoming southwest. Waves 1 to
3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-162100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 AM EDT Mon Jun 16 2025

.THIS AFTERNOON...East winds 5 to 10 knots. Waves 1 foot or less.
.TONIGHT...Southeast winds 5 to 10 knots. Waves 2 feet or less.
.TUESDAY...Southeast winds 5 to 15 knots. A chance of showers.
Waves 2 feet or less.
.TUESDAY NIGHT...South winds 5 to 15 knots. A chance of showers.
Waves 1 to 3 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots becoming south. A
chance of showers 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 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 building to 3 to 5 feet, then subsiding
to 2 to 4 feet.
.FRIDAY...West winds 5 to 10 knots becoming southwest. Waves 2 to
4 feet subsiding to 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-162100-
MAFOR 1615/
ONTARIO WEST 1/2 14200 14300. A chance of showers Tuesday
morning. Waves 1 foot or less.

ONTARIO EAST 1/2 11200 11100 11200 11300 11400 11300 12310. A
chance of showers Tuesday morning. Waves 2 feet or less.

$$