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open lake forecast for lake ontario
national weather service buffalo ny
403 pm 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 30.2 inch area of high pressure over the upper great 
lakes this evening will shift southeastward across lower great lakes 
late tonight and tomorrow morning 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 near lake erie 
thursday, and then move eastward south of the lake 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. 
thereafter, a 30.2 inch broad area of high pressure will slide south 
of the lake sunday.


loz062-063-040400-
lake ontario open waters from the niagara river to sodus bay-
403 pm est tue mar 3 2026

.tonight...southeast winds 5 to 10 knots becoming west. a chance
of rain showers early. patchy fog after midnight. waves 1 foot or
less. 
.wednesday...west winds 10 knots or less becoming northeast.
patchy fog early. waves 1 foot or less. 
.wednesday night...east winds 10 knots or less. waves 1 foot or
less. 
.thursday...east winds 10 to 15 knots becoming northeast 15 to
20 knots. a chance of rain showers in the afternoon. waves 1 to
3 feet building to 3 to 5 feet. 
.thursday night...northeast winds 15 to 20 knots. rain showers.
waves 3 to 5 feet subsiding to 2 to 4 feet. 
.friday...northeast winds 5 to 15 knots becoming south 15 to
20 knots. rain showers likely friday night. waves 2 to 4 feet
building to 3 to 5 feet. 
.saturday...southwest winds 15 to 25 knots becoming west. rain
showers. waves 3 to 6 feet. 
.sunday...west winds 15 to 25 knots becoming southwest. waves
3 to 6 feet. 

$$

fzus61 kbuf 032103
glflo 
expires:202603040400;;572091

open lake forecast for lake ontario
national weather service buffalo ny
403 pm 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 30.2 inch area of high pressure over the upper great 
lakes this evening will shift southeastward across lower great lakes 
late tonight and tomorrow morning 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 near lake erie 
thursday, and then move eastward south of the lake 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. 
thereafter, a 30.2 inch broad area of high pressure will slide south 
of the lake sunday.


loz064-065-040400-
lake ontario open waters from sodus bay to the saint lawrence
river-
403 pm est tue mar 3 2026

.tonight...southeast winds 5 to 10 knots becoming west. rain
showers likely early. areas of fog after midnight. waves 2 feet
or less. 
.wednesday...west winds 10 knots or less becoming south. patchy
fog early. waves 1 foot or less. 
.wednesday night...southeast winds 10 knots or less becoming
east. waves 1 foot or less. 
.thursday...east winds 5 to 15 knots becoming northeast 15 to
20 knots. a chance of rain showers in the afternoon. waves 1 to
3 feet. 
.thursday night...northeast winds 15 to 20 knots becoming east.
rain showers. waves 1 to 3 feet. 
.friday...east winds 10 to 15 knots becoming south and increasing
to 15 to 25 knots. rain showers likely. waves 1 to 3 feet
building to 3 to 5 feet. 
.saturday...south winds 15 to 25 knots becoming west. rain
showers. waves 3 to 6 feet. 
.sunday...west winds 15 to 20 knots becoming southwest. waves
3 to 6 feet building to 4 to 7 feet. waves occasionally around
9 feet. 

$$