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nearshore marine forecast
national weather service buffalo ny
1013 am edt mon apr 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.


loz045-202100-
mexico bay to the saint lawrence river along lake ontario-
1013 am edt mon apr 20 2026

...small craft advisory in effect until 2 pm edt...

.this afternoon...northwest winds 10 to 15 knots becoming west.
partly to mostly sunny. waves 1 to 3 feet. 
.tonight...west winds 5 to 15 knots. mainly clear. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.tuesday...southwest winds 5 to 15 knots becoming south. partly
sunny in the morning, then becoming mostly cloudy. waves 2 feet
or less. 
.tuesday night...southeast winds 5 to 15 knots. mostly cloudy.
waves 2 feet or less. 
.wednesday...northeast winds 10 knots or less becoming north.
becoming mainly clear. waves 1 foot or less. 
.thursday...north winds less than 10 knots becoming northeast.
partly to mostly cloudy. waves 1 foot or less. 
.friday...northeast winds 10 knots or less becoming east 10 to
15 knots. a chance of showers friday night. waves 1 foot or less.

$$