797
FZUS61 KBUF 090802
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 AM EDT Mon Mar 9 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 30.1 inch high will slide from the lower Ohio Valley
to the Mid Atlantic region today. A 28.9 inch low will move to James
Bay with a cold front from this low stalling near the lake Tuesday,
lifting northward Wednesday as a 29.5 wave of low pressure ripples
along the front, with this wave passing just to the west of the lake
Wednesday night. The low will deepen to 29.4 inches as it moves
across southern Quebec Thursday. A 30.2 inch high will move across
the Ohio Valley and Mid-Atlantic region Thursday night through
Friday.

LOZ062-063-091500-
Lake Ontario open waters from the Niagara River to Sodus Bay-
402 AM EDT Mon Mar 9 2026

.TODAY...Southwest winds 15 to 25 knots. Waves 3 to 6 feet
building to 4 to 7 feet. Waves occasionally around 9 feet.
.TONIGHT...Southwest winds 15 to 20 knots diminishing to 5 to
15 knots. Waves 3 to 6 feet subsiding to 1 to 3 feet.
.TUESDAY...South winds 5 to 10 knots becoming northeast. A chance
of rain showers in the afternoon. Waves 2 feet or less.
.TUESDAY NIGHT...Northeast winds 5 to 15 knots increasing to
15 to 20 knots. A chance of rain showers in the evening, then
rain showers overnight. Waves 1 to 3 feet building to 2 to
4 feet.
.WEDNESDAY...East winds 15 to 25 knots becoming west to 30 knots.
Rain showers during the day, then rain showers with snow showers
likely Wednesday night. Waves 3 to 6 feet building to 8 to
11 feet. Waves occasionally around 14 feet.
.THURSDAY...West winds to 30 knots diminishing to 15 to 20 knots.
A chance of snow showers during the day. Waves 9 to 12 feet
subsiding to 4 to 7 feet. Waves occasionally around 15 feet.
.FRIDAY...South winds 15 to 25 knots becoming west and increasing
to 35 knot gales. Snow and rain showers likely. Waves 3 to 6 feet
building to 11 to 15 feet. Waves occasionally around 19 feet.

$$

LOZ064-065-091500-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
402 AM EDT Mon Mar 9 2026

.TODAY...South winds 15 to 20 knots becoming southwest. Waves
2 to 4 feet building to 3 to 5 feet.
.TONIGHT...Southwest winds 15 to 20 knots becoming south 5 to
15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.TUESDAY...Southeast winds 5 to 10 knots becoming northeast.
Waves 2 feet or less.
.TUESDAY NIGHT...Northeast winds 5 to 15 knots. A chance of rain
showers in the evening, then rain showers likely overnight. Waves
1 to 3 feet.
.WEDNESDAY...Northeast winds 15 to 25 knots becoming west to
30 knots. Rain showers during the day, then rain showers with a
chance of snow showers Wednesday night. Waves 1 to 3 feet
building to 8 to 11 feet. Waves occasionally around 14 feet.
.THURSDAY...West winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. A chance of snow showers during
the day. Waves 8 to 12 feet subsiding to 4 to 7 feet. Waves
occasionally around 15 feet.
.FRIDAY...South winds 15 to 25 knots becoming west and increasing
to 35 knot gales. Snow and rain showers likely. Waves 3 to 5 feet
building to 11 to 15 feet. Waves occasionally around 19 feet.

$$

LOZ061-091500-
MAFOR 0909/
ONTARIO WEST 1/2 12520 13530 11510 12500. Waves 3 to 6 feet
building to 4 to 7 feet, and occasionally around 9 feet today.
Waves 3 to 6 feet subsiding to 1 to 3 feet tonight.

ONTARIO EAST 1/2 11420 14520 11510 11500 11400. Waves 2 to 4 feet
building to 3 to 6 feet today. Waves 3 to 6 feet subsiding to 1
to 3 feet tonight.

$$