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nearshore marine forecast
national weather service buffalo ny
403 pm edt tue may 19 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.


loz045-200300-
mexico bay to the saint lawrence river along lake ontario-
403 pm edt tue may 19 2026

...small craft advisory in effect from wednesday morning through
late wednesday night...

.tonight...southwest winds 10 to 15 knots. showers likely with a
chance of thunderstorms this evening, then showers after
midnight. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers in the morning. waves 2 to 4 feet
building to 3 to 6 feet. waves occasionally around 7 feet. 
.wednesday night...west winds 15 to 20 knots becoming north 10 to
15 knots. partly to mostly cloudy. waves 3 to 6 feet subsiding to
1 to 3 feet. waves occasionally around 7 feet. 
.thursday...north winds 5 to 15 knots becoming northwest. sunny.
waves 2 feet or less. 
.thursday night...northwest winds less than 10 knots. partly
cloudy. waves 1 foot or less. 
.friday...east winds 10 knots or less. a chance of showers friday
night. waves 1 foot or less. 
.saturday...east winds 10 to 15 knots becoming southeast 15 to
20 knots. showers likely. waves 1 to 3 feet. 
.sunday...southeast winds 15 to 20 knots becoming south 10 to
15 knots. showers likely during the day, then a chance of showers
sunday night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$