418
FZUS61 KBUF 070801
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
401 AM EDT Sat Jun 7 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 overnight 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.

LOZ062-071500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
401 AM EDT Sat Jun 7 2025

.TODAY...North winds 10 knots or less becoming west. Waves 1 foot
or less.
.TONIGHT...West winds 10 knots or less becoming east. Waves
1 foot or less.
.SUNDAY...East winds 5 to 15 knots. Waves 1 to 3 feet building to
2 to 4 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots becoming southeast. A
chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.MONDAY...South winds 10 to 15 knots. Showers likely with a
chance of thunderstorms. Waves 1 to 2 feet.
.TUESDAY...Southwest winds 10 to 15 knots. A chance of showers.
Waves 1 to 3 feet.
.WEDNESDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. Waves 2 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-071500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
401 AM EDT Sat Jun 7 2025

.TODAY...North winds 5 to 10 knots becoming northwest. Patchy fog
this morning. Waves 1 foot or less.
.TONIGHT...Northwest winds 5 to 10 knots becoming northeast.
Waves 1 foot or less.
.SUNDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY NIGHT...East winds 5 to 15 knots becoming southeast. A
chance of showers. Waves 1 to 3 feet.
.MONDAY...Southeast winds 10 to 15 knots becoming south. Showers
likely during the day, then showers with a chance of
thunderstorms Monday night. Waves 1 to 3 feet.
.TUESDAY...South winds 10 to 15 knots becoming southwest. Showers
likely during the day, then a chance of showers Tuesday night.
Waves 1 to 3 feet.
.WEDNESDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-071500-
MAFOR 0709/
ONTARIO WEST 1/2 12800 11700 12600 11700 11800 11200. Waves 1
foot or less.

ONTARIO EAST 1/2 11700 11800 14700 11800 11100. Waves 1 foot or
less.

$$