Somerville Bay Swell ForecastAustraliaNTArnhem LandSomerville Bay1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIISomerville Bay swell forecast issued today at 5:59 pm. Next forecast at approx. 5:59 pm.Get WillyWeather+ to remove ads