676
FZUS61 KBUF 062001
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
401 PM EDT Fri Jun 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 stalled out frontal boundary just to our south will slip further
south and away from our region tonight and Saturday...while a weak
30.0 inch high builds from the Upper Great Lakes to Quebec. The high
will then depart into the Canadian Maritimes Sunday while an initial
29.6 inch low pushes across the Ohio Valley. Another broad 29.6 inch
low will then slowly make its way from the Upper Great Lakes to
James Bay Monday and Tuesday...then to Labrador on Wednesday.

LOZ062-070300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
401 PM EDT Fri Jun 6 2025

.TONIGHT...Northeast winds 10 knots or less becoming northwest.
Waves 1 foot or less.
.SATURDAY...North winds 5 to 10 knots becoming west. Waves 1 foot
or less.
.SATURDAY NIGHT...West winds 10 knots or less becoming east.
Waves 1 foot or less.
.SUNDAY...East winds 5 to 15 knots increasing to 15 to 20 knots.
A chance of showers in the afternoon. Waves 1 to 3 feet building
to 2 to 4 feet.
.SUNDAY NIGHT...East winds 15 to 20 knots becoming south 10 to
15 knots. A chance of showers. Waves 2 to 4 feet subsiding to
1 to 3 feet.
.MONDAY...South winds 10 to 15 knots becoming southwest. A chance
of showers. Waves 1 to 2 feet.
.TUESDAY...South winds 10 to 15 knots becoming southwest. A
chance of showers and thunderstorms. Waves 1 to 3 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots. Waves 2 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-070300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
401 PM EDT Fri Jun 6 2025

.TONIGHT...North winds 10 knots or less becoming northwest.
Patchy fog after midnight. Waves 1 foot or less.
.SATURDAY...Northwest winds 5 to 10 knots becoming west. Waves
1 foot or less.
.SATURDAY NIGHT...Northwest winds 10 knots or less becoming east.
Waves 1 foot or less.
.SUNDAY...East winds 5 to 15 knots. A chance of showers in the
afternoon. Waves 2 feet or less.
.SUNDAY NIGHT...East winds 10 to 15 knots becoming southeast.
Showers likely. Waves 1 to 3 feet.
.MONDAY...South winds 10 to 15 knots. A chance of showers during
the day, then showers likely with a chance of thunderstorms
Monday night. Waves 1 to 3 feet.
.TUESDAY...South winds 10 to 15 knots becoming southwest. A
chance of showers and thunderstorms. Waves 1 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots becoming southwest. Waves
1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-070300-
MAFOR 0621/
ONTARIO WEST 1/2 11100 11800 12700 11800 11700 12600. Waves 1
foot or less.

ONTARIO EAST 1/2 11800 15700 11600. Waves 1 foot or less.

$$