Wainiha Bay Swell ForecastUnited StatesHIKauaiWainiha Bay1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIWainiha Bay swell forecast issued today at 7:44 pm. Next forecast at approx. 7:44 pm.Get WillyWeather+ to remove ads