FZUS61 KBUF 172102
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 PM EST Tue Feb 17 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 ridge will build over the lower Great Lakes
today. An elongated 29.4 inch low will stretch from Minnesota to the
central Great Lakes Wednesday, with one piece of this low passing
just south of the lake Wednesday night. A 29.3 inch low will develop
over the central Plains Thursday, then move to the central Great
Lakes by Friday night, weakening to 29.7 inches as it moves just
north of Lake Ontario Saturday. A 30.4 inch high will then slowly
build east across the Great Lakes through early next week.

LOZ062-063-180400-
Lake Ontario open waters from the Niagara River to Sodus Bay-
402 PM EST Tue Feb 17 2026

.TONIGHT...Southwest winds 5 to 15 knots becoming northeast 15 to
20 knots. Widespread dense fog. Waves 1 to 3 feet.
.WEDNESDAY...East winds 15 to 25 knots increasing to 30 knots.
Rain showers with a chance of snow showers early, then snow
showers, rain showers and freezing rain. Snow showers, freezing
rain and rain showers late. Waves 3 to 6 feet building to 7 to
10 feet. Waves occasionally around 13 feet.
.WEDNESDAY NIGHT...Northeast winds 15 to 25 knots. A chance of
freezing rain and snow showers. Waves 6 to 9 feet subsiding to
3 to 5 feet. Waves occasionally around 11 feet.
.THURSDAY...East winds 15 to 20 knots. Waves 2 to 4 feet building
to 3 to 5 feet.
.THURSDAY NIGHT...East winds 15 to 25 knots. A chance of rain
overnight. Waves 3 to 6 feet building to 4 to 7 feet. Waves
occasionally around 9 feet.
.FRIDAY...East winds 15 to 25 knots becoming west. Rain during
the day, then rain with a chance of snow Friday night. Waves 4 to
7 feet subsiding to 3 to 5 feet. Waves occasionally around
9 feet.
.SATURDAY...West winds 15 to 20 knots becoming northeast. A
chance of snow and rain during the day. Waves 2 to 4 feet.
.SUNDAY...Northeast winds 15 to 20 knots becoming north. A chance
of snow. Waves 3 to 6 feet.

$$

LOZ064-065-180400-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
402 PM EST Tue Feb 17 2026

.TONIGHT...South winds 10 knots or less becoming northeast.
Widespread dense fog. Waves 2 feet or less.
.WEDNESDAY...Northeast winds 10 to 15 knots increasing to 15 to
20 knots. Snow showers with a chance of rain showers late in the
morning. Snow showers early in the afternoon, then snow and rain
showers late. Waves 1 to 3 feet building to 2 to 4 feet.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Snow showers
with a chance of freezing rain in the evening, then a chance of
freezing rain and snow showers overnight. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.THURSDAY...Northeast winds 5 to 15 knots. Waves 1 to 3 feet.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots becoming east
15 to 20 knots. A chance of rain and snow overnight. Waves 1 to
3 feet.
.FRIDAY...East winds 15 to 20 knots becoming southwest. Rain with
snow likely during the day, then rain with a chance of snow
Friday night. Waves 1 to 3 feet building to 2 to 4 feet.
.SATURDAY...West winds 10 to 15 knots becoming north. A chance of
snow and rain during the day, then a chance of snow Saturday
night. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SUNDAY...Northeast winds 10 to 15 knots becoming north 15 to
20 knots. A chance of snow. Waves 1 to 3 feet building to 3 to
5 feet.

$$

LOZ061-180400-
MAFOR 1722/
ONTARIO WEST 1/2 11404 11614 11114 11113 11230 13247. Waves 1 to
3 feet tonight. Waves 3 to 6 feet building to 7 to 10 feet, and
occasionally around 13 feet Wednesday.

ONTARIO EAST 1/2 12504 11104 11103 11110 11120 12137. A chance of
rain showers Wednesday morning. Waves 2 feet or less tonight.
Waves 1 to 3 feet building to 4 to 7 feet, and occasionally
around 9 feet Wednesday.

$$