Point Forecast: 11NM SW Nantucket MA
 41.12N 70.24W (Elev. 0 ft)
Last Update: 2:03 pm EDT Jul 14, 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  

Date07/1407/15
Hour (EDT)171819202122230001020304050607080910111213141516
Surface Wind (kt)7778788899999999999910101010
Wind DirSSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSWSWSWSWSWSWSSWSSWSWSWSSWSW
Gust
Significant Wave Height (ft) 222222222222222222222222
Swell Height (ft)
Swell Dir
Swell Period (sec) 666666666666666666666666
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 000000222233333333333333
Wind Wave Height (ft) 111111111111111111111111

Date07/16
Hour (EDT)171819202122230001020304050607080910111213141516
Surface Wind (kt)10999999999999999910101010101010
Wind DirSWSWSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSSWSSWSSWSSW
Gust
Significant Wave Height (ft) 222222222222222222222222
Swell Height (ft)
Swell Dir
Swell Period (sec) 665555555555555555555555
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 333333333333334443444444
Wind Wave Height (ft) 111112222222221112221112

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