Point Forecast: 20NM W Hyannis MA
 41.58N 70.72W (Elev. 0 m)
Last Update: 12:00 am EDT Jul 8, 2025
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  

Date07/0807/09
Hour (EDT)020304050607080910111213141516171819202122230001
Surface Wind (kt)131212111010101011131314161616151414131312111010
Wind DirSSSSSWWSWWSWWSWSWSWSWSWSWSWSWSWSWSWSWSWSWWSWWSWWSW
Gust
Significant Wave Height (m) 111000001111111111111000
Swell Height (m)
Swell Dir
Swell Period (sec) 333333333333344444444444
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 131313131313131313131212121212121212121212121212
Wind Wave Height (m) 110000000011111111111110

Date07/10
Hour (EDT)020304050607080910111213141516171819202122230001
Surface Wind (kt)109888888889910109998887777
Wind DirSWSWSWSWSWWSWSWSWWSWWSWWSWWSWSWWNNWNNENNENENEENEEEEE
Gust
Significant Wave Height (m) 000000000000000000000000
Swell Height (m)
Swell Dir
Swell Period (sec) 446677777776666666666666
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 12109998522232222222222222
Wind Wave Height (m) 000000000000000000000000

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