Hanakāpī'ai Beach Swell ForecastUnited StatesHIKauaiHanakāpī'ai Beach1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIHanakāpī'ai Beach swell forecast issued today at 1:48 am. Next forecast at approx. 1:48 am.Get WillyWeather+ to remove ads