Point Forecast: 19NM SW Lanai City HI
 20.65N 157.19W (Elev. 0 ft)
Last Update: 2:42 am HST Apr 29, 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  

Date04/2904/30
Hour (HST)030405060708091011121314151617181920212223000102
Surface Wind (kt)10101010109998883332221113333
Wind DirSSWSSWSWSWSWSWSWSWSSWSSWSSWSESESEWWWEEESESESEESE
Gust
Significant Wave Height (ft) 222222222222222222222222
Swell Height (ft) 111111111111111111111111
Swell Dir340340340340340340340340340340340340340340340340340340340340340340340340
Swell Period (sec) 111111111111111111111110101010101010101010101010
Swell 2 Height (ft) 111111111111111111111111
Swell 2 Dir180180180180180180180180180180180200200200200200200200200200200200200200
Swell 2 Period (sec) 141414141417171717171717171717171716161620202020
Wind Wave Height (ft) 111111111111111111111111

Date05/01
Hour (HST)030405060708091011121314151617181920212223000102
Surface Wind (kt)332222221111114444445555
Wind DirESEESEENEENEENENNENNENNESSWSSWSSWSSSENEENEENEENEENEENEENEENEENEENE
Gust
Significant Wave Height (ft) 222222223333334444444444
Swell Height (ft) 111111111111111111111112
Swell Dir340340340340340340340340340340340340340340340340340340340340340340340340
Swell Period (sec) 101010101010101099999919191918181818181816
Swell 2 Height (ft) 111111112222222222222222
Swell 2 Dir200200200200200200200200190190190190190190190190190190190190190190190190
Swell 2 Period (sec) 202020202020202019191918181818181818181818181817
Wind Wave Height (ft) 111112222222222223333333

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