Portland Bay Wind ForecastAustraliaVICWestern DistrictPortland Bay1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Portland Bay wind forecast issued today at 12:34 pm. Next forecast at approx. 12:34 am. Wind Speed Wind Gust Portland Bay Wind Statistics View MoreAugust WindPortland Airport (25km)2026JulyAugustStrongest 3 August, 202659.4km/h WAverage August15km/hStrongest 2 July, 202688.9km/h NWAverage July18.6km/hStrongest 2 July, 202688.9km/h NWAverage 202615.8km/hClimate (2021–2026)Portland Airport (25km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 2 September, 2024120.2km/h WAverage 2021–202616.6km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average August17.5%10%2.5%CalmNear GaleAugust Wind RoseAugust (5 Year Average)5 Year Average Annual5 Year Average August27.5%15%2.5%CalmNear GaleGet WillyWeather+ to remove ads