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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est tue jan 27 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 29.9 inch low will move from near georgian bay to new 
england through tonight. an arctic cold front will cross the lower 
great lakes thursday. a strong 31.0 inch high will then build from 
the northern plains friday to the southern plains by saturday before 
expanding into the ohio valley sunday while weakening to 30.4 inches.


loz063>065-280400-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm est tue jan 27 2026

.tonight...west winds 15 to 25 knots. lake effect snow showers.
waves 6 to 10 feet. waves occasionally around 13 feet. 
.wednesday...west winds 15 to 25 knots. lake effect snow showers
through early afternoon, then a chance of lake effect snow
showers late. waves 5 to 8 feet subsiding to 4 to 7 feet. waves
occasionally around 10 feet. 
.wednesday night...west winds 15 to 25 knots. lake effect snow
showers. waves 4 to 7 feet subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.thursday...west winds 15 to 20 knots becoming northwest. lake
effect snow showers. waves 3 to 6 feet. 
.thursday night...northwest winds 15 to 20 knots. lake effect
snow showers likely. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.friday...northwest winds 15 to 20 knots diminishing to 5 to
10 knots. lake effect snow showers likely. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.saturday...north winds 5 to 15 knots increasing to 15 to
20 knots. lake effect snow showers likely during the day, then a
chance of snow showers saturday night. waves 1 to 3 feet. 
.sunday...north winds 15 to 20 knots becoming northwest. a chance
of snow showers during the day. waves 2 to 4 feet building to
3 to 6 feet. 

$$