879
FZUS61 KBUF 011402
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 AM EDT Fri Aug 1 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 broad 30.4 inch Canadian high pressure across the
upper Great Lakes will gradually expand southeast across the lower
Great Lakes region through tonight and into Saturday. The high will
then remain anchored across the entire Great Lakes region into the
start of next week before settling east across New England by mid-
week.

LOZ062-012100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 AM EDT Fri Aug 1 2025

.THIS AFTERNOON...Northeast winds 5 to 15 knots becoming south
less than 10 knots. Waves 1 to 3 feet.
.TONIGHT...West winds 10 knots or less becoming north. Waves
1 foot or less.
.SATURDAY...North winds 5 to 10 knots becoming southwest. Waves
1 foot or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots becoming west.
Waves 1 foot or less.
.SUNDAY...West winds 10 knots or less. Waves 1 foot or less.
.MONDAY...Northwest winds less than 10 knots becoming northeast.
Waves 1 foot or less.
.TUESDAY...East winds 5 to 10 knots. Waves 1 foot or less.

$$

LOZ063>065-012100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 AM EDT Fri Aug 1 2025

.THIS AFTERNOON...Northeast winds 10 to 15 knots becoming north.
Waves 1 to 3 feet.
.TONIGHT...Northwest winds 10 knots or less becoming northeast.
Waves 2 feet or less.
.SATURDAY...West winds 10 knots or less increasing to 10 to
15 knots. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots becoming west.
Waves 1 to 3 feet.
.SUNDAY...West winds 5 to 15 knots. Waves 2 feet or less.
.MONDAY...West winds 10 knots or less becoming south. Waves
1 foot or less.
.TUESDAY...Southeast winds 10 knots or less. Waves 1 foot or
less.

$$

LOZ061-012100-
MAFOR 0115/
ONTARIO WEST 1/2 12100 11500 11600 13800 11700. Waves 1 to 3 feet
this afternoon. Waves 1 foot or less tonight and Saturday
morning.

ONTARIO EAST 1/2 12810 13800 11100 11200 11600. Waves 1 to 3 feet
this afternoon. Waves 2 feet or less tonight and Saturday
morning.

$$