FZUS61 KBUF 090802
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 AM EDT Tue Jun 9 2026

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 high over the New England coast will track
offshore today, where it will then remain anchored through Thursday.
Meanwhile a 29.7 inch low will track from Lower Michigan to southern
Quebec tonight and Wednesday, with another 29.7 inch trough crossing
the lake late Friday. A cold front will then cross the lake late
Saturday.

LOZ062-091500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 AM EDT Tue Jun 9 2026

.TODAY...East winds 5 to 15 knots. A chance of showers and
thunderstorms late. Waves 1 foot or less.
.TONIGHT...South winds 15 to 20 knots becoming southeast 5 to
15 knots. A chance of showers and thunderstorms through the early
overnight, then showers likely with a chance of thunderstorms
late. Waves 1 foot or less.
.WEDNESDAY...South winds 5 to 15 knots becoming southwest.
Showers likely with a chance of thunderstorms. Waves 2 feet or
less.
.WEDNESDAY NIGHT...Southwest winds 5 to 15 knots. A chance of
showers and thunderstorms in the evening, then showers likely
overnight. Waves 1 to 2 feet.
.THURSDAY...Southwest winds 5 to 15 knots. Showers likely during
the day, then a chance of showers Thursday night. Waves 1 to
2 feet.
.FRIDAY...Southwest winds 10 to 15 knots becoming west. Showers
likely with a chance of thunderstorms. Waves 1 to 3 feet.
.SATURDAY...West winds 10 to 15 knots. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-091500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 AM EDT Tue Jun 9 2026

.TODAY...Southeast winds 15 to 20 knots becoming northeast 5 to
15 knots. A chance of showers and thunderstorms late. Waves
2 feet or less.
.TONIGHT...Northeast winds 15 to 20 knots becoming southeast and
diminishing to around 10 knots. A chance of showers and
thunderstorms early, then a chance of showers. A chance of
showers and thunderstorms late. Waves 1 foot or less.
.WEDNESDAY...Southeast winds 5 to 15 knots becoming south.
Showers with a chance of thunderstorms. Waves 2 feet or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Showers likely
with a chance of thunderstorms in the evening, then showers
likely overnight. Waves 2 feet or less.
.THURSDAY...Southwest winds 5 to 10 knots. Showers likely during
the day, then a chance of showers Thursday night. Waves 2 feet or
less.
.FRIDAY...South winds 5 to 15 knots becoming west. Showers with a
chance of thunderstorms. Waves 2 feet or less.
.SATURDAY...West winds 5 to 15 knots. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-091500-
MAFOR 0909/
ONTARIO WEST 1/2 11100 13200 11210 11320 11310 11300. A chance of
showers tonight. Waves 1 foot or less.

ONTARIO EAST 1/2 12310 11300 11110 11120 11420 11410 11300. A
chance of showers tonight. Waves 2 feet or less.

$$