Point Forecast: 2NM WNW Portsmouth RI
 41.61N 71.28W (Elev. 0 m)
Last Update: 7:20 pm EDT Jul 13, 2026
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  

Date07/1307/14
Hour (EDT)212223000102030405060708091011121314151617181920
Surface Wind (kt)141413131313131312121111111111131516181818181717
Wind DirSSWSWSWSWSWSWSWSWSWSWSWSWWSWSWSWSWSWSSWSWSWSWSWSWSW
Gust
Significant Wave Height (m) 111111111110111111111111
Swell Height (m)
Swell Dir
Swell Period (sec) 888888899999999887777531
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 354434444554554545555455
Wind Wave Height (m) 000011000000000101111112

Date07/15
Hour (EDT)212223000102030405060708091011121314151617181920
Surface Wind (kt)161615141313131212111010101010101010101010998
Wind DirSWSWSWSWSWSWSWWSWWSWWSWWSWWWWWWWWWNWWNWWNWWNWWNWWNW
Gust
Significant Wave Height (m) 111111111100001111110000
Swell Height (m)
Swell Dir
Swell Period (sec) 001245555667766655544455
Swell 2 Height (m)
Swell 2 Dir
Swell 2 Period (sec) 556678768566556685324465
Wind Wave Height (m) 211110100000000000001000

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