Point Forecast: 7NM WNW Nantucket MA
 41.34N 70.25W (Elev. 0 ft)
Last Update: 3:27 pm EDT Jul 15, 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  

Date07/1507/16
Hour (EDT)161718192021222300010203040506070809101112131415
Surface Wind (kt)101010101098878776666778888910
Wind DirSSWSSWSSWSSWSSWSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSSWSWSSWSSWSW
Gust
Significant Wave Height (ft) 222222211111111111112222
Swell Height (ft)
Swell Dir
Swell Period (sec) 666555555555555556678899
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec)
Wind Wave Height (ft) 222222211111111111112222

Date07/17
Hour (EDT)161718192021222300010203040506070809101112131415
Surface Wind (kt)101010101010101111121212121212131313141415151616
Wind DirSWSWSWSWSWSWSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSW
Gust20
Significant Wave Height (ft) 222222222222222233333333
Swell Height (ft)
Swell Dir
Swell Period (sec) 9999999999991096300001235
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec)
Wind Wave Height (ft) 222222222222222233333333

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