601
FZUS61 KBUF 062002
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 PM EDT Sun Sep 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 30.2 inch high will settle over the central Great
Lakes tonight and the lower Great Lakes Monday. This high will then
drift to the eastern seaboard Tuesday, then east of the Mid Atlantic
coast by Wednesday. Meanwhile, a 29.3 inch low over far northwest
Ontario province Tuesday night will move to Hudson Bay by late
Wednesday, then to northern Quebec by Thursday while deepening to
29.0 inches. A trailing cold front will cross the lower Great Lakes
Wednesday night. A 30.0 inch high will build across the eastern
Great Lakes region Thursday through Friday.

LOZ062-070300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 PM EDT Sun Sep 6 2026

.TONIGHT...East winds less than 10 knots. Waves 1 foot or less.
.MONDAY...Northwest winds 10 knots or less becoming west. Waves
1 foot or less.
.MONDAY NIGHT...Southwest 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...East winds 5 to 10 knots becoming south. Waves
1 foot or less.
.WEDNESDAY...Southwest winds 15 to 25 knots becoming west.
Showers likely. Waves 1 to 3 feet building to 4 to 7 feet, then
subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
.THURSDAY...West winds 15 to 20 knots becoming northwest 10 to
15 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.FRIDAY...Northwest winds 5 to 10 knots becoming south. Waves
1 to 3 feet.

$$

LOZ063>065-070300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 PM EDT Sun Sep 6 2026

.TONIGHT...North winds 5 to 15 knots. Waves 2 feet or less.
.MONDAY...Northwest winds 10 knots or less becoming west 10 to
15 knots. Waves 2 feet or less.
.MONDAY NIGHT...West winds 5 to 15 knots. Waves 2 feet or less.
.TUESDAY...Northwest winds 10 knots or less becoming northeast.
Waves 1 foot or less.
.TUESDAY NIGHT...East winds 5 to 15 knots becoming south. Waves
2 feet or less.
.WEDNESDAY...South winds 15 to 25 knots becoming southwest.
Showers. Waves 1 to 3 feet building to 4 to 7 feet, then
subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
.THURSDAY...West winds 15 to 25 knots becoming northwest. A
chance of showers during the day. Waves 4 to 7 feet subsiding to
3 to 5 feet. Waves occasionally around 9 feet.
.FRIDAY...Northwest winds 5 to 15 knots becoming south. Waves
2 to 4 feet subsiding to 1 to 3 feet.

$$

LOZ061-070300-
MAFOR 0621/
ONTARIO WEST 1/2 11200 11100 12800 12700 12600. Waves 2 feet or
less.

ONTARIO EAST 1/2 11110 13800 12700 11600 11610. Waves 2 feet or
less.

$$