618
FZUS61 KBUF 070202
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 PM EDT Wed May 6 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 29.6 inch low over northern Quebec will continue ot
pull northeast overnight. A 30.1 inch high over the Tennessee and
Ohio Valleys Thursday will slide to the mid-Atlantic coastline
Friday. A 29.6 inch low will track across the lake early Saturday,
followed by a 29.7 inch low that will track near or just south of
the lake for later Sunday. This low will bring a cold front to sweep
across the region, where a surface low will ride north along the
boundary across the Mid-Atlantic region Monday.

LOZ062-070900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 PM EDT Wed May 6 2026

.OVERNIGHT...West winds 10 knots or less. Waves 1 foot or
less.
.THURSDAY...West winds 10 knots or less becoming southwest. Waves
1 foot or less.
.THURSDAY NIGHT...West winds 5 to 10 knots. Waves around 1 foot.
.FRIDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots becoming south. A
chance of showers overnight. Waves 2 feet or less.
.SATURDAY...South winds less than 10 knots becoming southwest
10 to 15 knots. A chance of showers. Waves 2 feet or less.
.SUNDAY...West winds 10 knots or less becoming northwest. Showers
likely. Waves 1 foot or less.
.MONDAY...Northwest winds 10 to 15 knots. Waves 1 to 2 feet.

$$

LOZ063>065-070900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 PM EDT Wed May 6 2026

.OVERNIGHT...West winds 10 to 15 knots. Waves 1 to 2 feet.
.THURSDAY...West winds 5 to 15 knots. Waves 1 to 3 feet.
.THURSDAY NIGHT...West winds 5 to 15 knots. Waves 1 to 3 feet.
.FRIDAY...West winds 5 to 15 knots becoming southwest. Waves
2 feet or less.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots becoming south. A
chance of showers overnight. Waves 2 feet or less.
.SATURDAY...South winds 5 to 15 knots becoming southwest. A
chance of showers. Waves 2 feet or less.
.SUNDAY...Southwest winds 5 to 10 knots becoming north. Showers
likely. Waves 2 feet or less.
.MONDAY...Northwest winds 10 to 15 knots. A chance of showers
during the day. Waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet.

$$

LOZ061-070900-
MAFOR 0703/
ONTARIO WEST 1/2 14600 12500 12600. Waves 2 feet or less.

ONTARIO EAST 1/2 13610 11600 14610. Waves 1 to 3 feet.

$$