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 6:11 am. Next forecast at approx. 6:11 pm. Cape Portland Wind Statistics View MoreOctober WindSWAN ISLAND (12km)2019SeptemberOctoberStrongest 18 October, 201987.1km/h WNWAverage October22.3km/hStrongest 21 September, 201976km/h NWAverage September22.5km/hStrongest 12 July, 2019105.5km/h NWAverage 201923.5km/hClimate (2010–Present)SWAN ISLAND (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 12 August, 2017120.2km/h NWAverage 2010–Present23.2km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average October25%13.75%2.5%CalmStrong GaleOctober Wind RoseOctober (5 Year Average)5 Year Average Annual5 Year Average October25%13.75%2.5%CalmStrong GaleGet an account to remove ads