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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est fri jan 9 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 this 
early morning to quebec this afternoon and evening, with a trailing 
cold front crossing the lake late this afternoon. a 30.2 high will 
move across the lake tonight 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. a 30.4 inch high building 
over the southeast will then ridge north across the lake monday and 
tuesday.


loz065-092200-
lake ontario open waters from mexico bay to the saint lawrence
river-
1002 am est fri jan 9 2026

...gale warning in effect until 10 pm est this evening...

.rest of today...south winds to 30 knots increasing to 35 knot
gales. rain showers. waves 7 to 11 feet. waves occasionally
around 14 feet. 
.tonight...southwest gales to 40 knots becoming west and
diminishing to 10 to 15 knots after midnight. rain showers likely
early. waves 10 to 14 feet building to 13 to 17 feet, then
subsiding to 5 to 8 feet. waves occasionally around 22 feet. 
.saturday...north winds 5 to 15 knots becoming east. a chance of
rain in the afternoon. waves 3 to 5 feet subsiding to 1 to
3 feet. 
.saturday night...east winds 10 to 15 knots becoming southwest
and increasing to 15 to 25 knots. rain and snow. waves 1 to
3 feet building to 5 to 8 feet. waves occasionally around
10 feet. 
.sunday...southwest winds to 30 knots becoming northwest. snow
and rain showers likely during the day, then snow showers likely
sunday night. waves 8 to 11 feet building to 10 to 13 feet, then
subsiding to 8 to 11 feet. waves occasionally around 16 feet. 
.monday...west winds 15 to 25 knots becoming southwest. a chance
of snow showers. waves 4 to 7 feet building to 5 to 9 feet. waves
occasionally around 11 feet. 
.tuesday...southwest winds 15 to 20 knots. 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. 

$$