Cape Portland Wind ForecastAustraliaTASNorthernCape Portland1-Day3-Day5-Day Graph Plots Open in GraphsWind Forecast Bureau of MeteorologySwell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Cape Portland wind forecast issued today at 6:11 pm. Next forecast at approx. 6:11 am. Cape Portland Wind Statistics View MoreApril WindSWAN ISLAND (12km)2019MarchAprilStrongest 7 April, 201985.3km/h WNWAverage April23.2km/hStrongest 25 March, 2019100.1km/h WNWAverage March22km/hStrongest 25 March, 2019100.1km/h WNWAverage 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 April22.5%12.5%2.5%CalmGaleApril Wind RoseApril (5 Year Average)5 Year Average Annual5 Year Average April22.5%12.5%2.5%CalmGaleGet an account to remove ads