Sand Knoll Ledge Swell ForecastAustraliaWAWheatbeltSand Knoll Ledge1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIISand Knoll Ledge swell forecast issued today at 10:14 am. Next forecast at approx. 10:14 am.Get WillyWeather+ to remove ads