Point Forecast: 21NM NE Hyannis MA
 41.88N 69.97W (Elev. 49 ft)
Last Update: 7:36 am EDT Sep 11, 2026
Tabular Forecast
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Weather ElementsMarine WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

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

Rain
Thunder
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  

Date09/1109/12
Hour (EDT)131415161718192021222300010203040506070809101112
Surface Wind (mph)986422333323344444455667
Wind DirNNNWSWSSSSSWSSWSWWSWWNNWNNNNENENEENEENEENEEEE
Gust
Significant Wave Height (ft) 000000000000000000000000
Wave Direction (°)
Swell Height (ft)
Swell Dir
Swell Period (sec) 000000000000000000000000
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (ft) 000000000000000000000000

Date09/13
Hour (EDT)131415161718192021222300010203040506070809101112
Surface Wind (mph)7888887777788999889910101111
Wind DirESESESESESSESSESSSSSSSSSSSESSESSESSESSESSESEESESE
Gust
Significant Wave Height (ft) 000000000000000000000000
Wave Direction (°)
Swell Height (ft)
Swell Dir
Swell Period (sec) 000000000000000000000000
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (ft) 000000000000000000000000

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