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open lake forecast for lake ontario
national weather service buffalo ny
1002 am 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 30.2 inch area of high pressure over the ohio valley 
this early morning will slide to the mid-atlantic shoreline this 
afternoon while strengthening to 30.3 inches. a 29.4 inch low will 
move from near lake michigan tonight to quebec friday, with a 
trailing cold front crossing the lake friday. another 29.6 inch low 
is forecast to develop over lower michigan saturday, then move to 
quebec by sunday while deepening to 29.1 inches. a trailing cold 
front is forecast to cross the lake saturday night.


loz065-082200-
lake ontario open waters from mexico bay to the saint lawrence
river-
1002 am est thu jan 8 2026

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

$$