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 5:34 am. Next forecast at approx. 5:34 pm. Portland Harbour Wind Statistics View MoreJanuary WindCape Nelson Lighthouse (11km)2026DecemberJanuaryStrongest 10 January, 202681.4km/h WNWAverage January24.5km/hStrongest 7 December, 202583.2km/h WAverage December22.2km/hStrongest 10 January, 202681.4km/h WNWAverage 202624.5km/hClimate (2010–Present)Cape Nelson Lighthouse (11km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 29 August, 2025116.6km/h SSWAverage 2021–202621.5km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average January15%8.75%2.5%CalmNear GaleJanuary Wind RoseJanuary (5 Year Average)5 Year Average Annual5 Year Average January22.5%12.5%2.5%CalmNear GaleGet WillyWeather+ to remove ads