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open lake forecast for lake ontario
national weather service buffalo ny
404 am edt tue mar 10 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 29.8 inch ridge will persist through today as a
stationary boundary lingers near the lower great lakes. 29.6
inch low will ripple along the boundary wednesday, with this wave 
passing just to the west of the lake wednesday night. this low
will deepen to 29.4 inches as it moves across southern quebec 
thursday. a 30.2 inch high will move across the ohio valley and mid-
atlantic region thursday night through friday. a 29.6 inch surface 
low will pass across the lake friday night with a cold front, then 
shifting east of the lake saturday.


loz062-063-101500-
lake ontario open waters from the niagara river to sodus bay-
404 am edt tue mar 10 2026

.today...south winds 5 to 15 knots becoming northeast. a chance
of rain showers late this morning. rain showers likely this
afternoon. waves 2 feet or less. 
.tonight...northeast winds 10 to 15 knots becoming east 15 to
20 knots. rain showers likely early, then a chance of rain
showers. rain showers likely with a chance of thunderstorms late.
waves 1 to 3 feet building to 3 to 5 feet. 
.wednesday...east winds 15 to 20 knots becoming southeast. rain
showers with a chance of thunderstorms. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.wednesday night...south winds 15 to 25 knots becoming west to
30 knots. rain showers in the evening, then rain showers likely
overnight. waves 2 to 4 feet building to 8 to 11 feet. waves
occasionally around 14 feet. 
.thursday...west winds to 30 knots diminishing to 10 to 15 knots.
waves 8 to 12 feet subsiding to 3 to 5 feet. waves occasionally
around 15 feet. 
.friday...southeast winds 15 to 25 knots becoming west and
increasing to 35 knot gales. rain and snow showers during the
day, then rain showers likely with a chance of snow showers
friday night. waves 3 to 5 feet building to 13 to 17 feet. waves
occasionally around 22 feet. 
.saturday...west gales to 35 knots becoming east and diminishing
to 15 to 20 knots. snow and rain showers likely saturday night.
waves 12 to 16 feet subsiding to 3 to 6 feet. waves occasionally
around 20 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 100804
glflo 
expires:202603101500;;942987

open lake forecast for lake ontario
national weather service buffalo ny
404 am edt tue mar 10 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 29.8 inch ridge will persist through today as a
stationary boundary lingers near the lower great lakes. 29.6
inch low will ripple along the boundary wednesday, with this wave 
passing just to the west of the lake wednesday night. this low
will deepen to 29.4 inches as it moves across southern quebec 
thursday. a 30.2 inch high will move across the ohio valley and mid-
atlantic region thursday night through friday. a 29.6 inch surface 
low will pass across the lake friday night with a cold front, then 
shifting east of the lake saturday.


loz064-065-101500-
lake ontario open waters from sodus bay to the saint lawrence
river-
404 am edt tue mar 10 2026

.today...south winds 5 to 15 knots becoming north. a chance of
rain showers early this afternoon. rain showers likely late.
waves 2 feet or less. 
.tonight...northeast winds 10 to 15 knots increasing to 15 to
20 knots. a chance of rain showers through the early overnight,
then rain showers likely late. waves 1 to 3 feet building to 2 to
4 feet. 
.wednesday...northeast winds 10 to 15 knots becoming southeast
15 to 20 knots. rain showers with a chance of thunderstorms.
waves 1 to 3 feet. 
.wednesday night...south winds 15 to 20 knots becoming west and
increasing to 30 knots. rain showers in the evening, then rain
showers with a chance of snow showers overnight. waves 1 to
3 feet building to 8 to 11 feet. waves occasionally around
14 feet. 
.thursday...west winds to 30 knots diminishing to 10 to 15 knots.
a chance of snow showers during the day. waves 9 to 13 feet
subsiding to 3 to 6 feet. waves occasionally around 16 feet. 
.friday...south winds 15 to 20 knots becoming west and increasing
to 40 knot gales. rain and snow showers likely. waves 2 to 4 feet
building to 13 to 17 feet. waves occasionally around 22 feet. 
.saturday...west gales to 35 knots becoming southeast and
diminishing to 15 to 20 knots. a chance of snow showers. waves
13 to 17 feet subsiding to 2 to 4 feet. waves occasionally around
22 feet. 

winds and waves higher in and near thunderstorms.

$$