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 3:34 pm. Next forecast at approx. 3:34 am. Wind Speed Wind Gust Portland Harbour Wind Statistics View MoreOctober WindCape Nelson Lighthouse (11 km)2026SeptemberOctoberStrongest 13 October, 202672.4 km/h WAverage October21.1 km/hStrongest 5 September, 202685.3 km/h WNWAverage September23.1 km/hStrongest 28 July, 202698.3 km/h WAverage 202620.9 km/hClimate (2021–2026)Cape Nelson Lighthouse (11 km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 29 August, 2025116.6 km/h SSWAverage 2021–202621.1 km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average October15%8.75%2.5%CalmGaleOctober Wind RoseOctober (5 Year Average)5 Year Average Annual5 Year Average October17.5%10%2.5%CalmGaleGet WillyWeather+ to remove ads