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open lake forecast for lake ontario
national weather service buffalo ny
1016 pm edt wed aug 21 2019

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 cold front over the upper great lakes will plow 
across lake ontario late this evening. an expansive 30.3 inch 
high centered over northern ontario thursday morning will then 
build across all of the great lakes thursday afternoon through 
friday before moving slowly into quebec and northern new england 
saturday and sunday.


loz063>065-220930-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1016 pm edt wed aug 21 2019

.overnight...southwest winds 10 to 15 knots becoming west
15 to 20 knots. scattered showers. waves 1 to 3 feet building to 
3 to 5 feet. 
.thursday...west winds 15 to 20 knots. waves 3 to 6 feet. 
.thursday night...west winds 15 to 20 knots becoming northeast.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northeast winds 5 to 15 knots becoming northwest. waves
1 to 3 feet subsiding to 1 foot or less. 
.friday night...northwest winds 5 to 15 knots becoming northeast
15 to 20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday...northeast winds 15 to 20 knots becoming east and
diminishing to 5 to 10 knots. waves 1 to 3 feet subsiding to
1 foot or less. 
.sunday...east winds 5 to 15 knots becoming southeast. waves 1 to
3 feet. 
.monday...southeast winds 10 to 15 knots becoming south 15 to
20 knots. a chance of showers and thunderstorms monday night.
waves 1 to 3 feet building to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$