860
FZUS61 KBUF 040203
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1003 PM EDT Sun Aug 3 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 30.2 inch high will remain in place across the
Great Lakes and New England through Monday. Another 30.4 inch high
will then build from Quebec Tuesday to New England Wednesday through
Thursday before moving east of New England by Friday.

LOZ062-040900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1003 PM EDT Sun Aug 3 2025

.OVERNIGHT...West winds 10 knots or less becoming
northwest. Waves 1 foot or less.
.MONDAY...Northwest winds less than 10 knots becoming southwest.
Waves 1 foot or less.
.MONDAY NIGHT...Light and variable winds. Waves 1 foot or less.
.TUESDAY...East winds 5 to 10 knots. Waves 1 foot or less.
.TUESDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less.
.WEDNESDAY...East winds 5 to 10 knots becoming south. Waves
1 foot or less.
.THURSDAY...South winds 5 to 10 knots. Waves 1 foot or less.
.FRIDAY...South winds 5 to 10 knots. Waves 1 foot or less.

$$

LOZ063>065-040900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1003 PM EDT Sun Aug 3 2025

.OVERNIGHT...West winds 5 to 10 knots. Waves 2 feet or
less.
.MONDAY...Northwest winds 10 knots or less becoming west. Waves
1 foot or less.
.MONDAY NIGHT...West winds 10 knots or less becoming east. Waves
1 foot or less.
.TUESDAY...East winds 5 to 10 knots becoming northeast. Waves
1 foot or less.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots becoming east.
Waves 1 foot or less.
.WEDNESDAY...East winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.THURSDAY...South winds 5 to 10 knots. Waves 2 feet or less.
.FRIDAY...South winds 5 to 15 knots. Waves 2 feet or less.

$$

LOZ061-040900-
MAFOR 0403/
ONTARIO WEST 1/2 11600 12700 12600 12500 11600. Waves 1 foot or
less.

ONTARIO EAST 1/2 15600 11600 11500. Waves 2 feet or less.

$$