The Knob Swell ForecastAustraliaSAEyre PeninsulaThe Knob1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIThe Knob swell forecast issued today at 12:54 am. Next forecast at approx. 12:54 am.Get WillyWeather+ to remove ads