283
FZUS61 KBUF 082102
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 PM EST Sat Nov 8 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 29.9 inch high will persist across the Lake tonight. A
29.7 inch surface low will deepen to 29.5 inches as it tracks from
the Ohio Valley to New England Sunday and Monday, then will
strengthen further while moving north across Quebec Tuesday. Another
29.2 inch low will move north of the Great Lakes region Wednesday.
West-northwest flow will persist across the eastern Great Lakes
region Thursday, while a 30.2 inch high moves from the northern
Plains to the southern Ohio Valley.

LOZ062-090400-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 PM EST Sat Nov 8 2025

.TONIGHT...North winds 5 to 15 knots becoming east 15 to
20 knots. A chance of rain late this evening. Rain after
midnight. Waves 1 to 2 feet building to 2 to 4 feet.
.SUNDAY...Northeast winds 20 to 25 knots. Rain in the morning,
then rain and snow in the afternoon. Waves 3 to 6 feet building
to 6 to 9 feet. Waves occasionally around 11 feet.
.SUNDAY NIGHT...North winds 15 to 25 knots. Snow showers. Waves
5 to 8 feet subsiding to 3 to 5 feet. Waves occasionally around
10 feet.
.MONDAY...North winds 15 to 20 knots becoming northwest. A chance
of snow showers. Waves 3 to 5 feet subsiding to 2 to 3 feet.
.MONDAY NIGHT...Northwest winds 15 to 20 knots becoming west.
Snow showers likely. Waves 3 to 6 feet.
.TUESDAY...West winds to 30 knots becoming southwest. Snow
showers likely with a chance of rain showers during the day, then
rain showers Tuesday night. Waves 6 to 9 feet building to 7 to
11 feet. Waves occasionally around 14 feet.
.WEDNESDAY...West gales to 35 knots. Showers. Waves 8 to 11 feet
building to 9 to 13 feet, then subsiding to 7 to 10 feet. Waves
occasionally around 16 feet.
.THURSDAY...West gales to 35 knots diminishing to 30 knots.
Showers likely. Waves 8 to 12 feet subsiding to 5 to 8 feet.
Waves occasionally around 15 feet.

$$

LOZ063>065-090400-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 PM EST Sat Nov 8 2025

.TONIGHT...North winds 5 to 15 knots becoming northeast 15 to
20 knots. A chance of rain late this evening. Rain after
midnight, then rain and snow late. Waves 2 feet or less building
to 2 to 4 feet.
.SUNDAY...Northeast winds 15 to 25 knots increasing to 30 knots.
Rain. Waves 3 to 6 feet building to 6 to 9 feet. Waves
occasionally around 11 feet.
.SUNDAY NIGHT...Northeast winds to 30 knots becoming north and
diminishing to 15 to 20 knots. Rain and snow showers in the
evening, then snow and rain showers overnight. Waves 5 to 9 feet
subsiding to 3 to 6 feet. Waves occasionally around 11 feet.
.MONDAY...North winds 15 to 20 knots becoming northwest. Snow
showers. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.MONDAY NIGHT...Northwest winds 15 to 25 knots becoming west.
Snow showers. Waves 2 to 4 feet building to 3 to 6 feet.
.TUESDAY...Northwest winds to 30 knots becoming southwest. Rain
and snow showers. Waves 7 to 10 feet building to 9 to 13 feet.
Waves occasionally around 16 feet.
.WEDNESDAY...West gales to 35 knots diminishing to 30 knots. Rain
showers. Waves 8 to 11 feet building to 10 to 14 feet. Waves
occasionally around 18 feet.
.THURSDAY...West gales to 35 knots diminishing to 15 to 25 knots.
Rain showers. Waves 10 to 14 feet subsiding to 7 to 10 feet.
Waves occasionally around 18 feet.

$$

LOZ061-090400-
MAFOR 0822/
ONTARIO WEST 1/2 11800 12100 11216 11126 12136 11137. Waves 1 to
2 feet building to 2 to 4 feet tonight. Waves 3 to 6 feet
building to 6 to 9 feet, and occasionally around 11 feet Sunday.

ONTARIO EAST 1/2 11800 11100 11110 11217 11126 12136 11146. Waves
1 to 3 feet building to 2 to 4 feet tonight. Waves 3 to 6 feet
building to 6 to 9 feet, and occasionally around 11 feet Sunday.

$$