137
FZUS61 KBUF 222100
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
400 PM EST Sat Feb 22 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 30.7 inch arctic high over the Ohio valley will move
off the coast of the Carolinas tonight. A poorly organized 29.7
inch low will cross Lake Superior on Sunday. The weak storm system
will cross the lake Sunday night and Monday. A 29.4 inch low will
make its way from the Upper Great lakes to southern Ontario on
Tuesday. Weak high pressure will cross the lake on Wednesday.

LOZ062-230415-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
400 PM EST Sat Feb 22 2025

.TONIGHT...Southwest winds to 30 knots becoming west. A chance of
snow showers. Waves 5 to 9 feet. Waves occasionally around
11 feet.
.SUNDAY...West winds 15 to 20 knots becoming southwest 10 to
15 knots. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves
occasionally around 9 feet.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots becoming south.
Waves 1 to 3 feet.
.MONDAY...South winds 15 to 25 knots becoming southwest to
30 knots. Waves 1 to 3 feet building to 6 to 9 feet. Waves
occasionally around 11 feet.
.MONDAY NIGHT...Southwest winds to 30 knots diminishing to 15 to
20 knots. A chance of rain showers overnight. Waves 5 to 9 feet
subsiding to 3 to 6 feet. Waves occasionally around 11 feet.
.TUESDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. Rain showers likely during the day, then a chance of
rain and snow showers Tuesday night. Waves 2 to 4 feet.
.WEDNESDAY...West winds 10 to 15 knots. A chance of rain and snow
showers Wednesday night. Waves 1 to 3 feet.
.THURSDAY...Northwest winds 15 to 20 knots. A chance of rain and
snow showers during the day, then a chance of snow showers
Thursday night. Waves 2 to 4 feet building to 3 to 5 feet.

$$

LOZ063>065-230415-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
400 PM EST Sat Feb 22 2025

.TONIGHT...West winds 15 to 25 knots. A chance of snow showers
late this evening. Lake effect snow showers likely after
midnight, then lake effect snow late. Waves 6 to 9 feet. Waves
occasionally around 11 feet.
.SUNDAY...West winds 15 to 20 knots diminishing to 10 to 15
knots. Lake effect snow showers likely early, then a chance of
snow showers from late morning on. Waves 5 to 8 feet subsiding to
2 to 4 feet. Waves occasionally around 10 feet.
.SUNDAY NIGHT...West winds 5 to 15 knots becoming south. Waves
1 to 3 feet.
.MONDAY...South winds 10 to 15 knots increasing to 15 to 25
knots. A chance of rain showers in the afternoon. Waves 1 to 3
feet building to 3 to 5 feet.
.MONDAY NIGHT...Southwest winds 15 to 25 knots diminishing to
10 to 15 knots. A chance of rain showers in the evening, then a
chance of rain and snow showers overnight. Waves 4 to 7 feet
subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
.TUESDAY...Southwest winds 10 to 15 knots becoming west. Rain and
snow showers likely during the day, then a chance of rain and
snow showers Tuesday night. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.WEDNESDAY...West winds 10 to 15 knots becoming southwest. A
chance of snow and rain showers Wednesday night. Waves 1 to
3 feet.
.THURSDAY...Northwest winds 10 to 15 knots increasing to 15 to
20 knots. A chance of snow and rain showers during the day, then
a chance of snow showers Thursday night. Waves 1 to 3 feet
building to 3 to 5 feet.

$$

LOZ061-230415-
MAFOR 2222/
ONTARIO WEST 1/2 11530 13630 12620 12610. A chance of snow
showers tonight. Waves 5 to 9 feet, and occasionally around 11
feet tonight. Waves 4 to 7 feet subsiding to 2 to 4 feet, and
occasionally around 9 feet Sunday.

ONTARIO EAST 1/2 11530 12630 11637 11630 12620 11610. A chance of
snow showers this evening. A chance of lake effect snow showers
Sunday morning. Waves 5 to 9 feet, and occasionally around 11
feet tonight. Waves 5 to 8 feet subsiding to 2 to 4 feet, and
occasionally around 10 feet Sunday.

$$