383
FZUS61 KBUF 100203
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 PM EDT Fri Oct 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 high pressure ridge averaging 30.1 inches exits slowly
eastward tonight through Sunday before a weak trough averaging 29.8
inches slides eastward across the lake Sunday night. Behind the
trough, a weak ridge averaging 29.9 inches slides eastward across
the lake on Monday, exits eastward Monday night, and is followed by
a cold front sweeping southeastward across the lake on Tuesday.
Behind the cold front, a ridge averaging 30.0 inches builds from
northern Ontario and vicinity through this Wednesday.

LOZ062-100900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 PM EDT Fri Oct 9 2026

.OVERNIGHT...North winds 5 to 15 knots becoming east. Waves
1 to 3 feet.
.SATURDAY...Southeast winds 5 to 15 knots becoming east 15 to
20 knots. Waves 1 to 3 feet.
.SATURDAY NIGHT...East winds 15 to 20 knots becoming southeast
5 to 15 knots. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 5 to 15 knots becoming east. Rain.
Waves 1 to 2 feet.
.SUNDAY NIGHT...East winds 5 to 15 knots becoming northeast less
than 10 knots. Rain. Waves 2 feet or less.
.MONDAY...Northwest winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots. Showers likely Monday night. Waves
1 foot or less building to 1 to 3 feet.
.TUESDAY...West winds 15 to 20 knots becoming north 10 to
15 knots. Showers likely during the day, then a chance of showers
Tuesday night. Waves 2 to 4 feet.
.WEDNESDAY...North winds 5 to 15 knots becoming northeast. Waves
1 to 3 feet.

$$

LOZ063>065-100900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 PM EDT Fri Oct 9 2026

.OVERNIGHT...North winds 15 to 20 knots becoming east 5 to
15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.SATURDAY...East winds 5 to 15 knots. Waves 2 feet or less.
.SATURDAY NIGHT...East winds 10 to 15 knots becoming southeast
15 to 20 knots. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of rain in the morning, then rain in the
afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...Southeast winds 5 to 15 knots. Rain. Waves 1 to
3 feet.
.MONDAY...North winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots. Showers likely Monday night. Waves
1 to 3 feet.
.TUESDAY...West winds 15 to 20 knots becoming north. Showers
likely. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.WEDNESDAY...North winds 15 to 20 knots becoming northeast 10 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.

$$

LOZ061-100900-
MAFOR 1003/
ONTARIO WEST 1/2 11810 12200 11310 13210 11310. Waves 1 to 3
feet.

ONTARIO EAST 1/2 11810 11100 12200 13210 11310. Waves 2 to 4 feet
subsiding to 1 to 3 feet overnight. Waves 2 feet or less Saturday
and Saturday evening.

$$