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 8:33 am. Next forecast at approx. 8:33 pm. Wind Speed Wind Gust Portland Bay Wind Statistics View MoreSeptember WindPortland Airport (25km)2026AugustSeptemberStrongest 5 September, 202676km/h WNWAverage September18.8km/hStrongest 12 August, 202661.2km/h WAverage August14.8km/hStrongest 2 July, 202688.9km/h NWAverage 202616km/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 September17.5%10%2.5%CalmGaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September20%11.25%2.5%CalmGaleGet WillyWeather+ to remove ads