Maipoina Oe Iau Beach Swell ForecastUnited StatesHIMauiMaipoina Oe Iau Beach1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIMaipoina Oe Iau Beach swell forecast issued today at 7:48 am. Next forecast at approx. 7:48 am. Wave Height Sea TemperatureGet WillyWeather+ to remove ads