Ka'ūpūlehu Beach Swell ForecastUnited StatesHIHawaiiKa'ūpūlehu Beach1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIKa'ūpūlehu Beach swell forecast issued today at 1:48 pm. Next forecast at approx. 1:48 pm.Get WillyWeather+ to remove ads