Murchison River Entrance Swell ForecastAustraliaWAMidwestMurchison River Entrance1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIMurchison River Entrance swell forecast issued today at 9:58 am. Next forecast at approx. 9:58 am.Get WillyWeather+ to remove ads