287
FZUS61 KBUF 251402
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 AM EDT Wed Jun 25 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 weak cold front will settle south across the eastern
Great Lakes region today, then stall just south of the lake tonight
through Friday morning. A 29.8 inch low is forecast to move from the
central Great Lakes Friday to southern Quebec Saturday. A 30.1 inch
surface high will track across and just east of the lake from
Saturday night through Monday morning, providing mostly dry
conditions for Sunday and Monday.

LOZ062-252100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 AM EDT Wed Jun 25 2025

.REST OF TODAY...West winds less than 10 knots. A chance of
showers late this morning. Waves 1 foot or less.
.TONIGHT...Northeast winds 10 knots or less becoming east. Waves
2 feet or less.
.THURSDAY...East winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers. Waves 1 to 3 feet.
.THURSDAY NIGHT...East winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of showers overnight. Waves 2 to 4 feet.
.FRIDAY...East winds 10 to 15 knots becoming southwest. Showers
likely with a chance of thunderstorms during the day, then
showers and thunderstorms likely Friday night. Waves 1 to 3 feet.
.SATURDAY...West winds 5 to 10 knots becoming northwest. Showers
likely with a chance of thunderstorms during the day. Waves
2 feet or less.
.SUNDAY...West winds 5 to 10 knots becoming south. Waves 1 foot
or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-252100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 AM EDT Wed Jun 25 2025

.REST OF TODAY...Northwest winds 10 knots or less. Waves 1 foot
or less.
.TONIGHT...North winds 10 knots or less becoming northeast. Waves
2 feet or less.
.THURSDAY...Northeast winds 10 to 15 knots. A chance of showers.
Waves 1 to 3 feet.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots becoming east. A
chance of showers overnight. Waves 1 to 3 feet.
.FRIDAY...East winds 10 to 15 knots becoming south 15 to
20 knots. Showers likely with a chance of thunderstorms during
the day, then showers with thunderstorms likely Friday night.
Waves 1 to 3 feet.
.SATURDAY...Southwest winds 5 to 15 knots becoming west. Showers
with a chance of thunderstorms during the day, then a chance of
showers Saturday night. Waves 1 to 3 feet.
.SUNDAY...West winds 5 to 10 knots becoming south. Waves 1 foot
or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-252100-
MAFOR 2515/
ONTARIO WEST 1/2 12600 11100 13200 12210. A chance of showers
late this morning and Thursday morning. Waves 2 feet or less this
afternoon and tonight. Waves 1 to 3 feet Thursday morning.

ONTARIO EAST 1/2 12700 11800 14100 11110. A chance of showers
Thursday morning. Waves 2 feet or less.

$$