995
FZUS61 KBUF 290802
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 AM EDT Tue Sep 29 2026

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 29.8 inch low along the southern shores of Cape Cod
will northeast along the New England coast today while filling to
29.9 inches. This low will finally dissipate over the North Atlantic
Wednesday as a 30.1 inch high builds to just off the Mid Atlantic
coast. A cold front over the upper Great Lakes Wednesday night will
cross the lower Great Lakes Thursday night. A 30.4 inch high is then
forecast to build into the upper Great Lakes Friday and the lower
Great Lakes by Saturday, before exiting into northern Maine Sunday.

LOZ062-291500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 AM EDT Tue Sep 29 2026

.TODAY...Southeast winds 10 knots or less becoming east. Patchy
fog early. Waves 1 foot or less.
.TONIGHT...Southeast winds 10 knots or less becoming southwest.
Waves 1 foot or less.
.WEDNESDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. A chance of
showers overnight. Waves 2 feet or less.
.THURSDAY...Southwest winds 5 to 15 knots becoming west. A chance
of showers during the day, then showers likely Thursday night.
Waves 1 to 3 feet.
.FRIDAY...Northwest winds 5 to 10 knots becoming north. Showers
likely during the day, then a chance of showers Friday night.
Waves 1 to 2 feet.
.SATURDAY...Northeast winds 5 to 15 knots becoming east. Waves
1 to 2 feet.

$$

LOZ063>065-291500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 AM EDT Tue Sep 29 2026

.TODAY...Northeast winds 10 knots or less becoming south. Waves
1 foot or less.
.TONIGHT...Light and variable winds becoming south 5 to 10 knots.
Waves 1 foot or less.
.WEDNESDAY...South winds 5 to 10 knots. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 15 knots. Waves 2 feet or
less.
.THURSDAY...South winds 15 to 20 knots becoming west 10 to
15 knots. Showers likely Thursday night. Waves 1 to 3 feet.
.FRIDAY...Northwest winds 5 to 15 knots becoming north. Showers
likely during the day, then a chance of showers Friday night.
Waves 1 to 3 feet.
.SATURDAY...Northeast winds 5 to 15 knots becoming southeast. A
chance of showers Saturday night. Waves 1 to 3 feet.

$$

LOZ061-291500-
MAFOR 2909/
ONTARIO WEST 1/2 14200 12300 11400 11500. Waves 1 foot or less.

ONTARIO EAST 1/2 11800 11100 11200 11300 11500 13400. Waves 1
foot or less.

$$