Point Forecast: 5NM SE Nantucket MA
 41.22N 70.04W (Elev. 0 m)
Last Update: 2:03 pm EDT Jul 14, 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  

Date07/1407/15
Hour (EDT)171819202122230001020304050607080910111213141516
Surface Wind (kt)888888889999999999101010111111
Wind DirSSWSSWSSWSSWSSWSSWSSWSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Significant Wave Height (m) 111111111111111111111111
Swell Height (m)
Swell Dir
Swell Period (sec) 666666666666666666666555
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 000002222233333333333333
Wind Wave Height (m) 000000000000000000000000

Date07/16
Hour (EDT)171819202122230001020304050607080910111213141516
Surface Wind (kt)10109109999999999991010111212121211
Wind DirSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSSW
Gust
Significant Wave Height (m) 111111111111111111111111
Swell Height (m)
Swell Dir
Swell Period (sec) 555555555555555555555555
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 333333333333334344344443
Wind Wave Height (m) 000001111111110001110001

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