Grim Ness Wind ForecastUnited KingdomOSOrkney IslandsGrim Ness1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met Office Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Grim Ness wind forecast issued yesterday at 7:11 pm. Next forecast at approx. 7:11 am.Grim Ness Wind Statistics September WindKirkwall (15km)2025AugustSeptemberStrongest 7 September, 202531.3mph SEAverage September14.9mphStrongest 4 August, 202544.7mph WAverage August10.5mphStrongest 25 January, 202551.4mph WSWAverage 202511.5mphClimate (2011–Present)Kirkwall (15km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 22 January, 202453.7mph WAverage 2020–202512.1mphWind 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 WillyWeather+ to remove ads