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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est thu jan 8 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 29.4 inch low will move from near lake michigan 
tonight to quebec friday, with a trailing cold front crossing the 
lake friday afternoon. a 30.2 high will move across the lake friday 
night before another 29.6 inch low develops over lower michigan 
saturday, then moves to southern quebec on sunday while slowly 
deepening to 29.4 inches and dragging a trailing cold front across 
the lake saturday night.


loz065-090400-
lake ontario open waters from mexico bay to the saint lawrence
river-
402 pm est thu jan 8 2026

.tonight...southeast winds 10 to 15 knots increasing to 30 knots.
waves 2 feet or less building to 4 to 7 feet. waves occasionally
around 9 feet. 
.friday...south winds to 30 knots. rain showers. waves 5 to
9 feet. waves occasionally around 11 feet. 
.friday night...southwest winds to 30 knots becoming northwest
and diminishing to 10 to 15 knots overnight. a chance of rain
showers in the evening. waves 5 to 8 feet subsiding to 3 to
6 feet. waves occasionally around 10 feet. 
.saturday...northeast winds 10 to 15 knots. a chance of rain and
snow showers in the afternoon. waves 1 to 3 feet. 
.saturday night...east winds 10 to 15 knots becoming southwest
and increasing to 15 to 25 knots. rain and snow showers. waves
1 to 3 feet building to 4 to 7 feet. waves occasionally around
9 feet. 
.sunday...southwest winds to 30 knots becoming northwest. snow
showers likely. waves 6 to 9 feet building to 7 to 11 feet. waves
occasionally around 14 feet. 
.monday...west winds 15 to 25 knots becoming southwest. a chance
of snow showers. waves 5 to 8 feet. waves occasionally around
10 feet. 
.tuesday...southwest winds 15 to 20 knots becoming south. a
chance of rain and snow showers during the day, then a chance of
rain showers tuesday night. waves 4 to 7 feet subsiding to 2 to
4 feet. waves occasionally around 9 feet. 

$$