094
FZUS61 KBUF 010810
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
410 AM EDT Mon Sep 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...The center of a 30.3 inch high will drift east across
New England today, then into the Canadian Maritimes Tuesday. A
weaker 30.1 inch high will remain in place across the Great Lakes
Tuesday before drifting off the eastern seaboard Wednesday.
Meanwhile, a 29.4 inch low will move across the upper Great Lakes
Wednesday, eventually sending an attendant cold front across the
Lake later in the week.

LOZ062-011500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
410 AM EDT Mon Sep 1 2025

.TODAY...Light and variable winds becoming northeast 5 to
10 knots. Waves 1 foot or less.
.TONIGHT...East winds 10 knots or less becoming southeast. Waves
1 foot or less.
.TUESDAY...East winds less than 10 knots. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds 10 knots or less becoming
southwest. Waves 1 foot or less.
.WEDNESDAY...Southwest winds 5 to 15 knots becoming south. A
chance of showers Wednesday night. Waves 2 feet or less.
.THURSDAY...South winds 10 to 15 knots becoming west. Showers
with a chance of thunderstorms. Waves 1 to 3 feet.
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers. Waves 1 to 2 feet building to 3 to
6 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-011500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
410 AM EDT Mon Sep 1 2025

.TODAY...Light and variable winds. Waves 1 foot or less.
.TONIGHT...North winds less than 10 knots. Waves 1 foot or less.
.TUESDAY...South winds less than 10 knots. Waves 1 foot or less.
.TUESDAY NIGHT...South winds 10 knots or less. Waves 1 foot or
less.
.WEDNESDAY...South winds 5 to 10 knots increasing to 15 to
20 knots. Waves 1 foot or less building to 1 to 3 feet.
.THURSDAY...South winds 15 to 20 knots becoming west 10 to
15 knots. Showers with a chance of thunderstorms. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to
25 knots. Showers likely during the day, then a chance of showers
Friday night. Waves 1 to 3 feet building to 4 to 7 feet. Waves
occasionally around 9 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-011500-
MAFOR 0109/
ONTARIO WEST 1/2 12400 12100 13200 11300. Waves 1 foot or less.

ONTARIO EAST 1/2 12300 11100 12800 11100 11200 11400. Waves 1
foot or less.

$$