Cape Portland Wind ForecastAustraliaTASNorthernCape Portland1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Cape Portland wind forecast issued today at 4:34 pm. Next forecast at approx. 4:34 am. Cape Portland Wind Statistics View MoreOctober WindSwan Island (12km)2025SeptemberOctoberStrongest 6 October, 202583.2km/h WAverage October34.3km/hStrongest 3 September, 202594.3km/h NWAverage September28.8km/hStrongest 24 June, 202598.3km/h NNWAverage 202522.3km/hClimate (2010–Present)Swan Island (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 2 September, 2024124.2km/h NNWAverage 2020–202522.7km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average October17.5%10%2.5%CalmGaleOctober Wind RoseOctober (5 Year Average)5 Year Average Annual5 Year Average October22.5%12.5%2.5%CalmGaleGet WillyWeather+ to remove ads