Irwin Inlet Swell ForecastAustraliaWAGreat SouthernIrwin Inlet1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIIrwin Inlet swell forecast issued today at 4:42 am. Next forecast at approx. 4:42 am.Get WillyWeather+ to remove ads