Point Forecast: 21NM E Portsmouth RI
 41.55N 70.79W (Elev. 0 ft)
Last Update: 8:52 pm EDT Jul 3, 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  

Date07/0407/05
Hour (EDT)030405060708091011121314151617181920212223000102
Surface Wind (kt)66676798989101010101098766666
Wind DirWWNWWNWNWNWNWWNWWNWWWSWSWSWSWSWSWWSWWWNWSWWNNWNNWNNWNNW
Gust
Significant Wave Height (ft) 111111111112222111111111
Swell Height (ft)
Swell Dir
Swell Period (sec) 444555555532333333334444
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 755676667666544455555544
Wind Wave Height (ft) 111111111122222211111111

Date07/06
Hour (EDT)030405060708091011121314151617181920212223000102
Surface Wind (kt)65554445681011121111111010101010101111
Wind DirNNWNNWNNWNWNWWNWWWSWSWSWSSWSSWSSWSSWSSWSSWSWSWSWSWSWSWSWSW
Gust
Significant Wave Height (ft) 111111111112222222222222
Swell Height (ft)
Swell Dir
Swell Period (sec) 444444444223333333333333
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 444446666444333333334444
Wind Wave Height (ft) 111111111111111111111111

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