Portland Bay Marina Wind ForecastAustraliaVICWestern DistrictPortland Bay Marina1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Portland Bay Marina wind forecast issued today at 9:16 am. Next forecast at approx. 9:16 pm. Wind Speed Wind Gust Portland Bay Marina Wind Statistics View MoreAugust WindCape Nelson Lighthouse (11km)2026JulyAugustStrongest 12 August, 202668.4km/h WAverage August21.4km/hStrongest 28 July, 202698.3km/h WAverage July22.8km/hStrongest 28 July, 202698.3km/h WAverage 202620.9km/hClimate (2021–2026)Cape Nelson Lighthouse (11km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 29 August, 2025116.6km/h SSWAverage 2021–202621.3km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average August15%8.75%2.5%LightStormAugust Wind RoseAugust (5 Year Average)5 Year Average Annual5 Year Average August22.5%12.5%2.5%LightStormGet WillyWeather+ to remove ads