Nua'ailua Bay Swell ForecastUnited StatesHIMauiNua'ailua Bay1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIINua'ailua Bay swell forecast issued today at 7:45 am. Next forecast at approx. 7:45 am.Get WillyWeather+ to remove ads