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open lake forecast for lake ontario
national weather service buffalo ny
402 am est thu jan 15 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 29.2 inch low will move just east of lake ontario this 
morning, then into new england this afternoon. a 29.8 inch high will 
build across the lake friday which will be followed by a 29.7 inch 
low and cold front saturday. this low will move off into quebec 
sunday while weakening to 29.9 inches. meanwhile on sunday a coastal 
low off the carolina coastline of 29.8 inches will deepen to 29.4 
inches monday as it tracks northeastward, albeit with still great 
amount of uncertainty to its track.


loz063>065-151600-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am est thu jan 15 2026

.today...north winds to 30 knots becoming northwest 15 to
25 knots. snow showers. waves 5 to 8 feet subsiding to 4 to
7 feet. waves occasionally around 10 feet. 
.tonight...northwest winds 15 to 25 knots. snow showers early,
then snow showers likely with a chance of freezing rain. a chance
of snow showers late. waves 5 to 8 feet. waves occasionally
around 10 feet. 
.friday...west winds 15 to 25 knots becoming south 15 to
20 knots. a chance of snow showers. waves 4 to 7 feet subsiding
to 2 to 4 feet. waves occasionally around 9 feet. 
.friday night...south winds 15 to 25 knots. a chance of snow
showers. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.saturday...south winds 15 to 25 knots becoming southwest to
30 knots. snow showers likely. waves 4 to 7 feet building to 7 to
10 feet. waves occasionally around 13 feet. 
.sunday...southwest winds to 30 knots becoming west. a chance of
snow showers. waves 6 to 10 feet subsiding to 5 to 9 feet. waves
occasionally around 13 feet. 
.monday...southwest winds to 30 knots becoming west and
increasing to 40 knot gales. a chance of snow showers during the
day, then snow showers likely monday night. waves 8 to 11 feet
building to 15 to 20 feet. waves occasionally around 26 feet. 

$$