Point Forecast: 20NM W Honaunau HI
 19.36N 156.26W (Elev. 0 ft)
Last Update: 4:01 am HST Aug 18, 2026
Tabular Forecast
[hide menu]Get as XML
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  

Date08/1808/19
Hour (HST)050607080910111213141516171819202122230001020304
Surface Wind (kt)222333444444666444111333
Wind DirSSSWWWWWWWWWWSWWSWWSWSWSWSWSWSWSWNNWNNWNNW
Gust
Significant Wave Height (ft) 444444444444444333333333
Swell Height (ft) 333333333333333222222222
Swell Dir180180180180180180190190190190190190190190190180180180190190190190190190
Swell Period (sec) 131313131313131313131313121212121212121212121212
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec)
Wind Wave Height (ft) 333333333333333222222222

Date08/20
Hour (HST)050607080910111213141516171819202122230001020304
Surface Wind (kt)777666666444555555333333
Wind DirNNWNNWNNWNNWNNWNNWNWNWNWNWNWNWSSSSSSSSSSSS
Gust
Significant Wave Height (ft) 333333333222222222222222
Swell Height (ft) 222222222111111111111111
Swell Dir180180180180180180180180180180180180180180180180180180180180180180180180
Swell Period (sec) 121212121212121212121212121212121212111111111111
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec)
Wind Wave Height (ft) 222222222222222222222222

Additional Forecasts and Information
International System of UnitsForecast Discussion
Marine Point ForecastHourly Weather Graph
National Marine ForecastsTide Information
Hazardous WeatherLocal Graphical Forecasts
Oahu Surf ForecastPast Weather Information
NWS Honolulu HomeRegional Weather Conditions
Wind ObservationsMarine RSS Feeds
Tide Information