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open lake forecast for lake ontario
national weather service buffalo ny
1055 am edt sat mar 14 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 29.5 inch low over the ottawa valley this morning will 
continue east to the canadian maritimes by this evening as a 30.4 
inch high builds into the central great lakes, then across the lake 
tonight before moving east of the lake sunday. meanwhile, a 29.5 
inch surface low over the mid mississippi valley sunday morning will 
track northeastward and deepen to 28.9 inches just to the west of 
the lake monday morning, before pushing northeastward across quebec 
through the remainder of monday and tuesday. this low will sweep a 
strong cold front across the lake monday afternoon, with a 30.4 inch 
high then building across the great lakes and ohio valley tuesday. 
the high will then shift east of the lake wednesday and reach the 
east coast by wednesday evening.


loz063>065-142100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1055 am edt sat mar 14 2026

...gale warning in effect until 5 pm edt...

.this afternoon...west gales to 35 knots. a chance of snow
showers. waves 13 to 18 feet subsiding to 11 to 15 feet. waves
occasionally around 23 feet. 
.tonight...west winds to 30 knots becoming east and diminishing
to 5 to 10 knots after midnight. waves 10 to 14 feet subsiding to
1 to 3 feet. waves occasionally around 18 feet. 
.sunday...east winds 15 to 25 knots becoming southeast. a chance
of snow. waves 1 to 3 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.sunday night...southeast winds to 30 knots increasing to 35 knot
gales. waves 5 to 8 feet building to 7 to 10 feet. waves
occasionally around 13 feet. 
.monday...southeast gales to 35 knots becoming southwest to
40 knots. rain showers during the day, then rain and snow showers
monday night. waves 7 to 10 feet building to 12 to 16 feet. waves
occasionally around 20 feet. 
.tuesday...west gales to 40 knots becoming northwest and
diminishing to 30 knots. a chance of snow showers. waves 14 to
18 feet subsiding to 8 to 11 feet. waves occasionally around
23 feet. 
.wednesday...west winds 15 to 20 knots becoming south. waves 3 to
5 feet subsiding to 1 to 3 feet. 

$$