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 4:27 pm. Next forecast at approx. 4:27 pm.Get WillyWeather+ to remove ads