Point Forecast: 11NM SW Nantucket MA
 41.12N 70.24W (Elev. 0 ft)
Last Update: 2:33 am EDT Jul 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  

Date07/1907/20
Hour (EDT)040506070809101112131415161718192021222300010203
Surface Wind (kt)33333334456677888891010101010
Wind DirSWWSWWSWSWSSESSESSESSSSSSSSSSSSSSSSS
Gust
Significant Wave Height (ft) 333322222222222222222222
Swell Height (ft)
Swell Dir
Swell Period (sec) 777777766666666666666666
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 440000000000000000000000
Wind Wave Height (ft) 111111111111222111222222

Date07/21
Hour (EDT)040506070809101112131415161718192021222300010203
Surface Wind (kt)101010101011111111101010111111101012111111121314
Wind DirSSSSSSSSSSSSSWSSWSWSWWSWWSWWSWWWWNWNWNNWNNW
Gust17171717
Significant Wave Height (ft) 222222233333333333333333
Swell Height (ft)
Swell Dir
Swell Period (sec) 666644444444455555544455
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (ft) 222222222333222333332211

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