Point Forecast: 5NM SE Nantucket MA
 41.22N 70.04W (Elev. 0 ft)
Last Update: 6:45 am EDT Jul 11, 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  

Date07/1107/12
Hour (EDT)141516171819202122230001020304050607080910111213
Surface Wind (mph)766666655555555666789101111
Wind DirEEESEESEESEESEESEESESESESEESEESEESEEEEEEEEEEE
Gust
Significant Wave Height (ft) 332233333333333333333333
Wave Direction (°)
Swell Height (ft)
Swell Dir
Swell Period (sec) 777777777788888888888887
Swell 2 Period (sec) 111111111111111111111111111111111111111111101010
Wind Wave Height (ft) 111111111111111111112222

Date07/13
Hour (EDT)141516171819202122230001020304050607080910111213
Surface Wind (mph)111110101099999988899910101011111111
Wind DirEEEEEEEEESEESEESEESEESEESEESEESEESEEEEEEEESE
Gust
Significant Wave Height (ft) 333332222222222222222222
Wave Direction (°)
Swell Height (ft)
Swell Dir
Swell Period (sec) 777777777777777777777777
Swell 2 Period (sec) 101010101010101010101010101010101010101010101010
Wind Wave Height (ft) 222222222222222222222222

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