Point Forecast: 5NM SE Nantucket MA
 41.22N 70.04W (Elev. 0 ft)
Last Update: 7:14 am EDT Jun 19, 2025
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  

Date06/1906/20
Hour (EDT)121314151617181920212223000102030405060708091011
Surface Wind (kt)111212131314141515161716171716161615161615151616
Wind DirSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWWSWWSWWSWWSWWSWWSWWSW
Gust171819202021222222232322222121212325
Significant Wave Height (ft) 233344444455555555555555
Swell Height (ft)
Swell Dir
Swell Period (sec) 778888888888888888888888
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 777777888888888888888888
Wind Wave Height (ft) 133344444455555555555555

Date06/21
Hour (EDT)121314151617181920212223000102030405060708091011
Surface Wind (kt)16161616151515141413111010109988877788
Wind DirWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWWWWWWWWWWSWWSW
Gust25252525252423222018
Significant Wave Height (ft) 555566655444444433333333
Swell Height (ft)
Swell Dir
Swell Period (sec) 888888888888888877777766
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 888888888888888888888888
Wind Wave Height (ft) 555566655444433322222222

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