Point Forecast: 21NM E Portsmouth RI
 41.59N 70.78W (Elev. 0 ft)
Last Update: 7:39 pm EDT Jul 6, 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  

Date07/0607/07
Hour (EDT)202122230001020304050607080910111213141516171819
Surface Wind (kt)151414141413131212121111111213141516161616161515
Wind DirSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSSWSSWSSWSSWSSWSSWSSW
Gust21212120
Significant Wave Height (ft) 333333222222222333444443
Swell Height (ft)
Swell Dir
Swell Period (sec) 444444444444444444444444
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 555555555555666666666666
Wind Wave Height (ft) 222222222221112222222222

Date07/08
Hour (EDT)202122230001020304050607080910111213141516171819
Surface Wind (kt)141414141516161514131212121212121313141414131211
Wind DirSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSSWSWSWSWSWSWSWSWSWSWWSW
Gust171717181919
Significant Wave Height (ft) 333333333332222233333222
Swell Height (ft)
Swell Dir
Swell Period (sec) 444444444444444444444456
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 666655555556666777778888
Wind Wave Height (ft) 222222221111111111112221

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