278
FZUS61 KBUF 161402
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 AM EDT Thu Jul 16 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 weak cold front will move south across the lower Great lakes
tonight. Behind the front, a ridge averaging 30.1 inches will build
southeast through Friday before exiting toward southern New England
Friday night. On Saturday, a warm front will lift northeast across
the lower Great Lakes with a cold front sliding eastward across the
lake later in the day, as a 29.7 inch low moves eastward across the
northern Great Lakes. Behind the low and cold front, a 29.9 inch
ridge will build across Lake Ontario, slides southeastward across
the eastern Great Lakes through Monday.

LOZ062-162100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 AM EDT Thu Jul 16 2026

.THIS AFTERNOON...West winds 5 to 15 knots. Smoke. Waves 1 to
3 feet.
.TONIGHT...Northwest winds 15 to 20 knots becoming northeast 5 to
15 knots. Smoke. Waves 1 to 3 feet.
.FRIDAY...East winds 10 knots or less. Areas of smoke. Waves
1 foot or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots becoming south. A
chance of showers overnight. Waves 1 foot or less.
.SATURDAY...Southwest winds 10 to 15 knots becoming northwest
15 to 20 knots. Showers with a chance of thunderstorms. Waves
1 to 3 feet building to 2 to 4 feet.
.SUNDAY...North winds 15 to 20 knots becoming west and
diminishing to 5 to 10 knots. Waves 1 to 3 feet subsiding to
1 foot or less.
.MONDAY...Southwest winds 10 knots or less increasing to 10 to
15 knots. A chance of showers Monday night. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-162100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 AM EDT Thu Jul 16 2026

.THIS AFTERNOON...West winds 10 to 15 knots increasing to 15 to
20 knots. Smoke. Waves 1 to 3 feet building to 2 to 4 feet.
.TONIGHT...West winds 15 to 20 knots becoming northeast 5 to
15 knots. Smoke in the evening. Waves 2 to 4 feet subsiding to
1 to 3 feet.
.FRIDAY...Northeast winds 10 knots or less becoming east. Waves
2 feet or less.
.FRIDAY NIGHT...Southeast winds 5 to 15 knots. A chance of
showers overnight. Waves 2 feet or less.
.SATURDAY...South winds 15 to 20 knots becoming northwest.
Showers with a chance of thunderstorms. Waves 1 to 3 feet
building to 3 to 5 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming west 5 to
15 knots. Waves 3 to 5 feet subsiding to 1 foot or less.
.MONDAY...Southwest winds 5 to 10 knots becoming south and
increasing to 15 to 20 knots. A chance of showers Monday night.
Waves 1 foot or less building to 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-162100-
MAFOR 1615/
ONTARIO WEST 1/2 12610 11710 11720 11810 12100 11200. Waves 1 to
3 feet this afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet
tonight. Waves 1 foot or less Friday morning.

ONTARIO EAST 1/2 11610 12620 11720 11810 11800 12100. Waves 1 to
3 feet building to 2 to 4 feet this afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet tonight. Waves 2 feet or less Friday
morning.

$$