Portland Offshore Wind ForecastAustraliaVICWestern DistrictPortland Offshore1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of Meteorology Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Portland Offshore wind forecast issued today at 10:11 am. Next forecast at approx. 10:11 pm. Portland Offshore Wind Statistics View MoreAugust WindCape Nelson Lighthouse (9km)2025JulyAugustStrongest 29 August, 2025116.6km/h SSWAverage August20.8km/hStrongest 22 July, 202590.7km/h NWAverage July21.6km/hStrongest 29 August, 2025116.6km/h SSWAverage 202520.8km/hClimate (2010–Present)Cape Nelson Lighthouse (9km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 29 August, 2025116.6km/h SSWAverage 2020–202521.3km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average August15%8.75%2.5%CalmStormAugust Wind RoseAugust (5 Year Average)5 Year Average Annual5 Year Average August25%13.75%2.5%CalmStormGet WillyWeather+ to remove ads