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nearshore marine forecast
national weather service buffalo ny
403 am edt thu aug 20 2026

for waters within five nautical miles of shore

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.


loz045-201500-
mexico bay to the saint lawrence river along lake ontario-
403 am edt thu aug 20 2026

.today...northwest winds 10 knots or less becoming west. partly
sunny. waves 1 foot or less. 
.tonight...west winds 10 knots or less becoming east. mainly
clear. waves 1 foot or less. 
.friday...east winds less than 10 knots becoming north. sunny.
waves 1 foot or less. 
.friday night...north winds 10 knots or less becoming southeast.
mainly clear. waves 1 foot or less. 
.saturday...southeast winds 5 to 15 knots becoming south. a
chance of showers during the day, then showers with a chance of
thunderstorms saturday night. waves 2 feet or less. 
.sunday...south winds 10 to 15 knots becoming west. showers
likely. waves 1 to 3 feet building to 2 to 4 feet. 
.monday...west winds 5 to 15 knots. showers likely during the
day, then a chance of showers monday night. waves 2 to 4 feet
subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$