Kawaihae Reef Swell ForecastUnited StatesHIHawaiiKawaihae Reef1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIKawaihae Reef swell forecast issued yesterday at 7:47 pm. Next forecast at approx. 7:47 pm.Get WillyWeather+ to remove ads