687
FZUS61 KBUF 140802
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 AM EDT Mon Jul 14 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 30.1 inch high will slowly drift from the Upper
Midwest to New England through Wednesday. A 29.7 inch low will track
northeastward across the Great Lakes and into Quebec Wednesday night
and Thursday. The trailing cold front will slowly track across the
lake on Friday as another wave tracks across the region.

LOZ062-141500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 AM EDT Mon Jul 14 2025

.TODAY...Light and variable winds. Waves 1 foot or less.
.TONIGHT...South winds 10 knots or less becoming west. Waves
1 foot or less.
.TUESDAY...West winds less than 10 knots. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots becoming
southwest. Waves 1 foot or less.
.WEDNESDAY...Southwest winds 5 to 10 knots. A chance of showers
and thunderstorms Wednesday night. Waves 1 foot or less.
.THURSDAY...Southwest winds 10 to 15 knots becoming northwest.
Showers likely with a chance of thunderstorms. Waves 1 to 3 feet.
.FRIDAY...Northwest winds around 10 knots becoming north. A
chance of showers during the day. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-141500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 AM EDT Mon Jul 14 2025

.TODAY...North winds 10 knots or less becoming southwest. Waves
1 foot or less.
.TONIGHT...South winds 10 knots or less becoming southwest. Waves
1 foot or less.
.TUESDAY...Southwest winds less than 10 knots becoming south.
Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds 10 knots or less becoming south.
Waves 1 foot or less.
.WEDNESDAY...South winds 5 to 10 knots. A chance of showers and
thunderstorms Wednesday night. Waves 2 feet or less.
.THURSDAY...Southwest winds 10 to 15 knots becoming northwest.
Showers likely with a chance of thunderstorms. Waves 1 to 3 feet.
.FRIDAY...Northwest winds 5 to 15 knots becoming north. A chance
of showers. Waves 1 to 3 feet subsiding to 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-141500-
MAFOR 1409/
ONTARIO WEST 1/2 11800 13300 12400 12600. Waves 1 foot or less.

ONTARIO EAST 1/2 11600 12700 11400 11500 11400 12500. Waves 1
foot or less.

$$