Portland Harbour Wind ForecastUnited KingdomSWDorsetPortland Harbour1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Portland Harbour wind forecast issued today at 12:16 pm. Next forecast at approx. 12:16 am.Portland Harbour Wind Statistics November WindIsle Of Portland (6km)2024OctoberNovemberStrongest 19 November, 202440.3mph WNWAverage November11.7mphStrongest 20 October, 202431.3mph SAverage October12.9mphStrongest 2 January, 202447mph WSWAverage 202413.2mphClimate (2011–Present)Isle Of Portland (6km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202262.6mph WSWAverage 2019–202413.8mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average November20%11.25%2.5%CalmStrong GaleNovember Wind RoseNovember (5 Year Average)5 Year Average Annual5 Year Average November22.5%12.5%2.5%CalmStrong GaleGet WillyWeather+ to remove ads