Point Forecast: 7NM WNW Nantucket MA
 41.34N 70.25W (Elev. 0 m)
Last Update: 6:47 pm EDT Apr 19, 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  

Date04/20
Hour (EDT)000102030405060708091011121314151617181920212223
Surface Wind (kt)20191817161616161616161413121110109999888
Wind DirWSWWSWWSWWWWWWNWWNWWNWNWWNWNWNWNWNWNWNWNWNWNWWNWNWNNW
Gust
Significant Wave Height (m) 211111111111111111111111
Swell Height (m)
Swell Dir
Swell Period (sec) 000268988888888888888877
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 444444444444444444443333
Wind Wave Height (m) 211111111110011100000000

Date04/21
Hour (EDT)000102030405060708091011121314151617181920212223
Surface Wind (kt)89987766566556678991010101111
Wind DirNNWNNNNNNNNNNEENEEESESSESSSSSSSSSS
Gust
Significant Wave Height (m) 100000000000000000000000
Swell Height (m)
Swell Dir
Swell Period (sec) 777777777766655544556666
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 343434333333333332222222
Wind Wave Height (m) 000000000000000000000000

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