Three Hummock Island Swell ForecastAustraliaTASNorth WesternThree Hummock Island1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIThree Hummock Island swell forecast issued today at 6:12 pm. Next forecast at approx. 6:12 pm. Wave Height Sea TemperatureGet WillyWeather+ to remove ads