Grassholm Wind ForecastUnited KingdomWLPembrokeshireGrassholm1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Grassholm wind forecast issued today at 1:10 am. Next forecast at approx. 1:10 pm.Grassholm Wind Statistics May WindMilford Haven C.b. (29km)2026AprilMayStrongest 1 May, 202615.7mph SEAverage May4.5mphStrongest 4 April, 202633.6mph SSWAverage April11.1mphStrongest 27 January, 202640.3mph ESEAverage 202611mphClimate (2011–Present)Milford Haven C.b. (29km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202444.7mph WAverage 2021–20269.3mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average May17.5%10%2.5%CalmNear GaleMay Wind RoseMay (5 Year Average)5 Year Average Annual5 Year Average May12.5%7.5%2.5%CalmNear GaleGet WillyWeather+ to remove ads