Waiakailio Bay Swell ForecastUnited StatesHIHawaiiWaiakailio Bay1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIWaiakailio Bay swell forecast issued today at 7:46 am. Next forecast at approx. 7:46 am.Get WillyWeather+ to remove ads