411
FZUS61 KBUF 090202
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 PM EDT Fri Aug 8 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 30.2 inch high off the Atlantic coast will move
a bit further out to sea over the weekend, while another 30.3 inch
surface high builds across the Ohio Valley and lower Great Lakes
through the start of the new work week, lingering near the Lake
through Tuesday. Meanwhile...an area of low pressure moves east
across Ontario Canada Tuesday while deepening to 29.4 inches by
Wednesday.

LOZ062-090900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 PM EDT Fri Aug 8 2025

.OVERNIGHT...Southeast winds 5 to 10 knots becoming south.
Waves 1 foot or less.
.SATURDAY...Southwest winds 5 to 10 knots becoming east. Waves
2 feet or less.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots becoming
southwest. Waves 1 foot or less.
.SUNDAY...Southwest winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots becoming southwest.
Waves 1 foot or less.
.MONDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less.
.TUESDAY...Southwest winds 5 to 10 knots. A chance of showers.
Waves 1 to 2 feet.
.WEDNESDAY...Southwest winds 5 to 10 knots becoming west. A
chance of showers and thunderstorms. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-090900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 PM EDT Fri Aug 8 2025

.OVERNIGHT...Southeast winds 10 to 15 knots becoming south.
Waves 1 to 3 feet.
.SATURDAY...South winds 5 to 15 knots becoming east. Waves 1 to
3 feet subsiding to 1 foot or less.
.SATURDAY NIGHT...East winds 5 to 10 knots becoming south. Waves
1 foot or less.
.SUNDAY...South winds 5 to 10 knots becoming southeast. Waves
1 foot or less.
.SUNDAY NIGHT...Southeast winds 10 knots or less becoming south.
Waves 1 foot or less.
.MONDAY...South winds 5 to 10 knots. Waves 2 feet or less.
.TUESDAY...South winds 5 to 10 knots becoming southwest. A chance
of showers Tuesday night. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 5 to 10 knots becoming west. A
chance of showers and thunderstorms. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-090900-
MAFOR 0903/
ONTARIO WEST 1/2 12400 12500 11400 12200 11300. Waves 2 feet or
less.

ONTARIO EAST 1/2 14410 11310 12200 11300. Waves 1 to 3 feet
subsiding to 1 foot or less overnight and Saturday. Waves 1 foot
or less Saturday evening.

$$