878
FZUS61 KBUF 240802
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 AM EDT Tue Jun 24 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 area of high pressure over the Ohio Valley
this morning will gradually drift towards the southeast states
through Wednesday. A weak cold front will then settle south across
the eastern Great Lakes region late this afternoon through
Wednesday, then stall just south of the lake through Friday morning.
A 29.8 inch low is then forecast to move from the central Great
Lakes Friday to southern Quebec Saturday.

LOZ062-241500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 AM EDT Tue Jun 24 2025

.TODAY...Southwest winds around 10 knots becoming west. A chance
of showers and thunderstorms late. Waves 1 to 2 feet.
.TONIGHT...West winds 5 to 10 knots. A chance of showers and
thunderstorms early. Waves 2 feet or less.
.WEDNESDAY...Northwest winds 10 knots or less becoming east.
Waves 1 foot or less.
.WEDNESDAY NIGHT...East winds 10 knots or less. Waves 1 foot or
less.
.THURSDAY...East winds 10 to 15 knots. A chance of showers
Thursday night. Waves 1 to 3 feet.
.FRIDAY...East winds around 10 knots becoming southwest. Showers
likely with a chance of thunderstorms. Waves 1 to 2 feet.
.SATURDAY...Southwest winds 5 to 10 knots becoming west. Showers
likely with a chance of thunderstorms during the day. Waves
2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-241500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 AM EDT Tue Jun 24 2025

.TODAY...Southwest winds 5 to 15 knots becoming west. Waves 1 to
3 feet.
.TONIGHT...West winds 5 to 10 knots. Waves 1 to 2 feet.
.WEDNESDAY...Northwest winds 5 to 10 knots becoming north. Waves
1 foot or less.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Waves 2 feet or
less.
.THURSDAY...Northeast winds 5 to 10 knots becoming east. A chance
of showers Thursday night. Waves 2 feet or less.
.FRIDAY...East winds 10 to 15 knots becoming south. Showers
likely with a chance of thunderstorms. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 5 to 15 knots. Showers likely with a
chance of thunderstorms during the day, then a chance of showers
and thunderstorms Saturday night. Waves 1 to 3 feet subsiding to
1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-241500-
MAFOR 2409/
ONTARIO WEST 1/2 12500 14600 11700 11600. Waves 2 feet or less.

ONTARIO EAST 1/2 12500 13610 13600. Waves 1 to 3 feet.

$$