St Mary's Wind ForecastUnited KingdomOSOrkney IslandsSt Mary's1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time St Mary's wind forecast issued today at 9:02 am. Next forecast at approx. 9:02 pm.St Mary's Wind Statistics September WindKirkwall (3.7 miles)2020AugustSeptemberStrongest 2 September, 202031.3mph SAverage September11.8mphStrongest 28 August, 202024.6mph NAverage August9mphStrongest 17 February, 202053.7mph WSWAverage 202011.6mphClimate (2011–Present)Kirkwall (3.7 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 17 February, 202053.7mph WSWAverage 2011–Present12.2mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September20%11.25%2.5%CalmStrong GaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September22.5%12.5%2.5%CalmStrong GaleGet an account to remove ads