Point Forecast: 19NM SW Lanai City HI
 20.65N 157.19W (Elev. 0 ft)
Last Update: 6:01 am HST Jul 14, 2025
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  

Date07/1407/15
Hour (HST)111213141516171819202122230001020304050607080910
Surface Wind (kt)111333444333101010141414161616101010
Wind DirWWWSSWSSWSSWSSESSESSEENEENEENEEEEESEESEESEESEESEESEEEE
Gust
Significant Wave Height (ft) 333444333333333333222222
Swell Height (ft) 111222222222222222111111
Swell Dir190190190180180180180180180180180180180180180180180180180180180180180180
Swell Period (sec) 171717161616161616161616161616151515151515151515
Swell 2 Height (ft) 111111111111111111111111
Swell 2 Dir340340340340340340340340340340340340340340340340340340340340340340340340
Swell 2 Period (sec) 111111111111111111111111111111101010101010101010
Wind Wave Height (ft) 333333222222222222222222

Date07/16
Hour (HST)111213141516171819202122230001020304050607080910
Surface Wind (kt)444333666666555555666666
Wind DirEEESESESEENEENEENEENEENEENENENENENENENEENEENEENEENEENEENE
Gust
Significant Wave Height (ft) 222333333333333333333333
Swell Height (ft) 111111111111111111111111
Swell Dir180180180180180180180180180180180180180180180180180180180180180180180180
Swell Period (sec) 151515141414141414141414141414141414131313131313
Swell 2 Height (ft) 111111111111111111111
Swell 2 Dir340340340340340340340340340340340340340340340340340340340340340
Swell 2 Period (sec) 101010999999999999999999
Wind Wave Height (ft) 222333333333333333333333

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