Point Forecast: 21NM NE Hyannis MA
 41.88N 69.97W (Elev. 15 m)
Last Update: 2:57 am EDT May 15, 2026
Tabular Forecast
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Weather ElementsMarine WeatherAviation Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

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  

Date05/1505/16
Hour (EDT)030405060708091011121314151617181920212223000102
Surface Wind (kt)443334444567766565555666
Wind DirWNWWNWNWNNENEENENEENENNENENENENENNENNENNNNWNNWNWNWWNWW
Gust
Significant Wave Height (m) 000000000000000000000000
Swell Height (m)
Swell Dir
Swell Period (sec) 000000000000000000000000
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (m) 000000000000000000000000

Date05/17
Hour (EDT)030405060708091011121314151617181920212223000102
Surface Wind (kt)67788991010111213131414141414101010101010
Wind DirWWWWWSWWSWWSWSWSWSWSWSWSSWSSWSSWSSWSSWSSWSWSWSWSWSWSW
Gust
Significant Wave Height (m) 000000000000000000000000
Swell Height (m)
Swell Dir
Swell Period (sec) 000000000000000000000000
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (m) 000000000000000000000000

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