Point Forecast: 21NM NE Hyannis MA
 41.88N 69.97W (Elev. 15 m)
Last Update: 6:36 am EST Feb 18, 2026
Tabular Forecast
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Weather ElementsMarine WeatherAviation Weather
Temperature (°C)
Dewpoint (°C)
Wind Chill (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Snow
Freezing Rain
Sleet
Freezing Spray
Fog
Swell Period
Swell Hgt/Dir
Swell 2 Period
Wind Wave Height
Significant Wave Height
Freezing Spray
Ceiling Height
Visibility
Thunder Potential

48-Hour Period Starting:       Back 2 Days  

Date02/1802/19
Hour (EST)070809101112131415161718192021222300010203040506
Surface Wind (km/h)111010101010101085358810101011131113131313
Wind DirWWWWWWWNWNNWNNNNENNENNENENNENNENNENNENNENNENNN
Gust
Significant Wave Height (m) 000000000000000000000000
Wave Direction (°)
Swell Height (m)
Swell Dir
Swell Period (sec) 000000000000000000000000
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (m) 000000000000000000000000

Date02/20
Hour (EST)070809101112131415161718192021222300010203040506
Surface Wind (km/h)1311111111111085333322335558888
Wind DirNNNNENNENNENNENNENNENNENNENNEENEENEEESESESESSESSESSESESESESE
Gust
Significant Wave Height (m) 000000000000000000000000
Wave Direction (°)
Swell Height (m)
Swell Dir
Swell Period (sec) 000000000000000000000000
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (m) 000000000000000000000000

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