342
FZUS61 KBUF 162002
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 PM 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.

LOZ062-170300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 PM EDT Mon Jun 16 2025

.TONIGHT...East winds 5 to 10 knots becoming southeast. Waves
around 1 foot.
.TUESDAY...Southeast winds 5 to 10 knots becoming east. A chance
of showers in the afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds 5 to 15 knots becoming
southwest. A chance of showers and thunderstorms overnight. Waves
1 to 2 feet.
.WEDNESDAY...Southwest winds 5 to 10 knots. A chance of showers
and thunderstorms. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Southwest winds 5 to 15 knots. Showers likely
with a chance of thunderstorms. 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. Waves 1 to 2 feet.
.SATURDAY...Southwest winds 5 to 15 knots. A chance of showers
during the day, then a chance of showers and thunderstorms
Saturday night. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-170300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 PM EDT Mon Jun 16 2025

.TONIGHT...East winds 5 to 15 knots becoming southeast. 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 and thunderstorms overnight. Waves 1 to 2 feet.
.WEDNESDAY...Southwest winds 5 to 10 knots. A chance of showers
and thunderstorms. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 15 knots. A chance of showers
and thunderstorms in the evening, then showers likely with a
chance of thunderstorms overnight. Waves 2 feet or less.
.THURSDAY...South 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 1 to 3 feet building to 3 to 5 feet, then subsiding
to 2 to 4 feet.
.FRIDAY...West winds 5 to 15 knots. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 5 to 10 knots becoming south. A
chance of showers during the day, then a chance of showers and
thunderstorms Saturday night. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-170300-
MAFOR 1621/
ONTARIO WEST 1/2 12200 14300 12200. Waves 2 feet or less.

ONTARIO EAST 1/2 11210 13300 12310 12300. Waves 2 feet or less.

$$