Porpoise Bay Wind ForecastAustraliaWAPerthPorpoise Bay1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Porpoise Bay wind forecast issued today at 10:33 pm. Next forecast at approx. 10:33 am. Wind Speed Wind Gust Porpoise Bay Wind Statistics View MoreAugust WindRottnest Island (3km)2026JulyAugustStrongest 17 August, 2026100.1km/h WAverage August23km/hStrongest 16 July, 202677.8km/h NAverage July21.3km/hStrongest 17 August, 2026100.1km/h WAverage 202626.1km/hClimate (2021–2026)Rottnest Island (3km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 2 August, 2023127.8km/h SSWAverage 2021–202626.8km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average August22.5%12.5%2.5%LightStrong GaleAugust Wind RoseAugust (5 Year Average)5 Year Average Annual5 Year Average August12.5%7.5%2.5%LightStrong GaleGet WillyWeather+ to remove ads