Point Forecast: 4NM NW San Juan PR
 18.46N 66.13W (Elev. 0 ft)
Last Update: 7:52 pm EDT Jul 16, 2026
Tabular Forecast
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Weather ElementsWeather/PrecipitationMarine 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
Swell 2 Hgt/Dir
Wind Wave Height
Significant Wave Height
Freezing Spray

48-Hour Period Starting:       Back 2 Days  

Date07/1607/17
Hour (EDT)230001020304050607080910111213141516171819202122
Surface Wind (kt)9877777789101011121415151514121010910
Wind DirESEESEESEESEESEESEESEESEEEEEEEEEEEEEEEEE
Gust172020201917
Significant Wave Height (ft) 322222233333333333333333
Swell Height (ft) 111111111111111111111111
Swell Dir05050505050504040404040401010101010102020202020
Swell Period (sec) 666666666666666666666666
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (ft)

Date07/18
Hour (EDT)230001020304050607080910111213141516171819202122
Surface Wind (kt)10101010109910101011121314141414141312101099
Wind DirEEEEEEEEEEEEEEEEEEEEEEEE
Gust17191919191817
Significant Wave Height (ft) 333333333333333333333333
Swell Height (ft) 111111111111111111111111
Swell Dir202020202020203030303030300000006060606060
Swell Period (sec) 666666666666666666666666
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec) 000000000000000000000000
Wind Wave Height (ft)

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