957
FZUS61 KBUF 062002
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 PM EDT Mon Oct 6 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 large 30.3 inch high anchored near the Mid-Atlantic
coast will slowly drift offshore through tonight. A sharp cold front
will then push southeast across the Lake tomorrow afternoon and
evening. This will be followed by another strong area of high
pressure averaging 30.4 inches that will build from the upper Great
Lakes Wednesday to across the Lake Thursday, then to the New England
coastline Friday, and finally off the coastline Friday evening and
Saturday.

LOZ062-070300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 PM EDT Mon Oct 6 2025

.TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. Showers likely with a chance of thunderstorms late.
Waves 1 to 3 feet.
.TUESDAY...Southwest winds 10 to 15 knots becoming northwest
15 to 20 knots. Showers with a chance of thunderstorms. Waves
1 to 3 feet building to 2 to 4 feet.
.TUESDAY NIGHT...Northwest winds 15 to 20 knots. Showers with a
chance of thunderstorms in the evening, then showers likely
overnight. Waves 3 to 5 feet.
.WEDNESDAY...North winds 15 to 20 knots becoming northwest 10 to
15 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.WEDNESDAY NIGHT...North winds 15 to 20 knots becoming northeast
10 to 15 knots. Waves 2 to 3 feet.
.THURSDAY...Northeast winds 5 to 15 knots becoming southeast.
Waves 1 to 3 feet subsiding to 1 foot or less.
.FRIDAY...South winds 10 knots or less. Waves 1 foot or less.
.SATURDAY...Southeast winds 5 to 10 knots becoming east. Waves
2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-070300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 PM EDT Mon Oct 6 2025

.TONIGHT...South winds 5 to 15 knots. A chance of showers late.
Waves 1 to 3 feet.
.TUESDAY...Southwest winds 15 to 20 knots. Showers with a chance
of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet.
.TUESDAY NIGHT...West winds 15 to 20 knots becoming northwest.
Showers with a chance of thunderstorms in the evening, then
showers overnight. Waves 2 to 4 feet building to 3 to 6 feet.
.WEDNESDAY...North winds 15 to 20 knots becoming northwest 10 to
15 knots. A chance of showers in the morning. Waves 3 to 6 feet
subsiding to 2 to 4 feet.
.WEDNESDAY NIGHT...North winds 15 to 20 knots. Waves 2 to 4 feet.
.THURSDAY...Northeast winds 5 to 15 knots becoming south 10 knots
or less. Waves 2 to 4 feet subsiding to 2 feet or less.
.FRIDAY...South winds 5 to 15 knots. Waves 2 feet or less.
.SATURDAY...South winds 10 knots or less becoming east. Waves
2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-070300-
MAFOR 0621/
ONTARIO WEST 1/2 12510 11410 11510 11526 12516 11616. A chance of
thunderstorms overnight and Tuesday. Waves 1 to 3 feet tonight.
Waves 1 to 3 feet building to 2 to 4 feet Tuesday.

ONTARIO EAST 1/2 13400 12410 13526. A chance of thunderstorms
Tuesday. Waves 1 to 3 feet tonight. Waves 1 to 3 feet building to
2 to 4 feet Tuesday.

$$