Portsmouth Harbour - HMNB Portsmouth Wind ForecastUnited KingdomSEHampshirePortsmouth Harbour - HMNB Portsmouth1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Portsmouth Harbour - HMNB Portsmouth wind forecast issued yesterday at 11:02 pm. Next forecast at approx. 12:02 pm.Portsmouth Harbour - HMNB Portsmouth Wind Statistics March WindSolent Mrsc (4.3 miles)2020FebruaryMarchStrongest 12 March, 202022.4mph WAverage March6.8mphStrongest 16 February, 20206.7mph SSWAverage February6.7mphStrongest 12 March, 202022.4mph WAverage 20206.8mphClimate (2011–Present)Solent Mrsc (4.3 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 12 March, 202022.4mph WAverage 2011–Present6.8mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average March20%11.25%2.5%CalmNear GaleMarch Wind RoseMarch (5 Year Average)5 Year Average Annual5 Year Average March15%8.75%2.5%CalmNear GaleGet an account to remove ads