Portland Harbour Wind ForecastAustraliaVICWestern DistrictPortland Harbour1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Portland Harbour wind forecast issued today at 7:35 pm. Next forecast at approx. 7:35 am. Portland Harbour Wind Statistics View MoreNovember WindCape Nelson Lighthouse (11km)2024OctoberNovemberStrongest 17 November, 202487.1km/h WNWAverage November21.9km/hStrongest 6 October, 202481.4km/h WNWAverage October20.8km/hStrongest 2 September, 202498.3km/h WNWAverage 202421.2km/hClimate (2010–Present)Cape Nelson Lighthouse (11km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 14 May, 2021105.5km/h WSWAverage 2019–202421.6km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average November15%8.75%2.5%CalmGaleNovember Wind RoseNovember (5 Year Average)5 Year Average Annual5 Year Average November17.5%10%2.5%CalmGaleGet WillyWeather+ to remove ads