174
FZUS61 KBUF 170202
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 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 stalled to our south will begin to
lift back north on Tuesday. Meanwhile...a 29.5 inch low is forecast
to track across the upper Great Lakes and then across Ontario-Quebec
through Tuesday night. A low averaging 29.5 is forecast to track
northeast through the central Great Lakes Wednesday while deepening
to 29.3 inches as it heads off into Ontairo-Quebec. A 30.1 inch high
builds northeast across the region Friday into the weekend.

LOZ062-170900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 PM EDT Mon Jun 16 2025

.OVERNIGHT...East winds 5 to 10 knots becoming southeast.
Patchy fog late. Waves around 1 foot.
.TUESDAY...Southeast winds 5 to 10 knots becoming east. Patchy
fog early. 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>065-170900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 PM EDT Mon Jun 16 2025

.OVERNIGHT...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 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.

$$

LOZ061-170900-
MAFOR 1703/
ONTARIO WEST 1/2 14300 12200 11300 11410. Waves 2 feet or less.

ONTARIO EAST 1/2 12300 12310 12300 11310 11410. A chance of
showers Tuesday afternoon. Waves 2 feet or less.

$$