Cape Van Diemen Swell ForecastAustraliaNTDarwinCape Van Diemen1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIICape Van Diemen swell forecast issued today at 6:59 am. Next forecast at approx. 6:59 am.Get WillyWeather+ to remove ads