Great Lakes Forecast
Issued by NWS

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999
FZUS61 KBUF 030903
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
403 AM EST Tue Mar 3 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 weak 30.1 inch low will move from the Ohio Valley
today to off the New England coast by late tonight. A 30.3 inch high
will briefly build over the lower Great Lakes Wednesday before
moving off the New England coast Wednesday night. A 30.0 inch low is
then forecast to move from the mid Mississippi Valley Wednesday
night to Western NY Thursday night before weakening across southern
New England Friday. Another 29.6 inch low will move through the
central Great Lakes Saturday, with the trailing cold front crossing
the lake Saturday night.

LOZ062-063-031600-
Lake Ontario open waters from the Niagara River to Sodus Bay-
403 AM EST Tue Mar 3 2026

.TODAY...Southeast winds 10 to 15 knots becoming east. A chance
of rain showers this afternoon. Waves 1 to 3 feet.
.TONIGHT...Southeast winds 5 to 10 knots becoming west. Rain
showers likely early, then a chance of rain showers late in the
evening. Patchy fog after midnight. Waves 1 foot or less.
.WEDNESDAY...West winds 10 knots or less becoming northeast.
Waves 1 foot or less.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Waves 2 feet or
less.
.THURSDAY...Northeast winds 10 to 15 knots increasing to 15 to
20 knots. A chance of rain during the day, then rain likely
Thursday night. Waves 1 to 3 feet building to 3 to 6 feet.
.FRIDAY...East winds 15 to 20 knots becoming south. A chance of
rain showers during the day, then rain showers likely Friday
night. Waves 3 to 5 feet.
.SATURDAY...Southwest winds 15 to 25 knots becoming west. Rain
showers. Waves 3 to 6 feet building to 4 to 7 feet. Waves
occasionally around 9 feet.

$$

LOZ064-065-031600-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
403 AM EST Tue Mar 3 2026

.TODAY...South winds 15 to 20 knots becoming southeast 10 to
15 knots. A chance of rain and snow showers early this afternoon.
Rain and snow showers likely late. Waves 1 to 3 feet.
.TONIGHT...Southeast winds 5 to 10 knots becoming northwest. Rain
showers likely early, then a chance of rain showers late in the
evening. Patchy fog after midnight. Waves 2 feet or less.
.WEDNESDAY...West winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.WEDNESDAY NIGHT...Southeast winds 10 knots or less becoming
east. Waves 1 foot or less.
.THURSDAY...Northeast winds 10 to 15 knots becoming east 15 to
20 knots. A chance of rain during the day, then rain likely
Thursday night. Waves 1 to 3 feet building to 2 to 4 feet.
.FRIDAY...East winds 10 to 15 knots becoming south and increasing
to 15 to 25 knots. A chance of rain showers during the day, then
rain showers likely Friday night. Waves 1 to 3 feet building to
3 to 6 feet.
.SATURDAY...South winds 15 to 25 knots becoming west. Rain
showers. Waves 3 to 6 feet building to 4 to 7 feet. Waves
occasionally around 9 feet.

$$

LOZ061-031600-
MAFOR 0310/
ONTARIO WEST 1/2 11400 11300 13200 12700 11600. A chance of rain
showers this afternoon and evening. Waves 2 feet or less.

ONTARIO EAST 1/2 11410 13310 11306 11400 11600 11700. A chance of
snow showers this afternoon. Waves 1 to 3 feet today. Waves 2
feet or less tonight.

$$