Secret Harbour Wind ForecastAustraliaWAPerthSecret Harbour1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Secret Harbour wind forecast issued today at 3:35 pm. Next forecast at approx. 3:35 am. Secret Harbour Wind Statistics View MoreOctober WindMandurah (13km)2025SeptemberOctoberStrongest 4 October, 202546.4km/h NNWAverage October11km/hStrongest 14 September, 202581.4km/h NWAverage September12.3km/hStrongest 2 August, 202585.3km/h NWAverage 202512.6km/hClimate (2010–Present)Mandurah (13km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 2 August, 2022109.1km/h WAverage 2020–202513.5km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average October15%8.75%2.5%CalmGaleOctober Wind RoseOctober (5 Year Average)5 Year Average Annual5 Year Average October17.5%10%2.5%CalmGaleGet WillyWeather+ to remove ads