Porth Diana Wind ForecastUnited KingdomWLIsle of AngleseyPorth Diana1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met Office Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Porth Diana wind forecast issued today at 7:13 pm. Next forecast at approx. 7:13 am.Porth Diana Wind Statistics May WindValley (6km)2024AprilMayStrongest – Average May–Strongest 6 April, 202440.3mph SAverage April13.7mphStrongest 21 January, 202453.7mph SAverage 202413.6mphClimate (2011–Present)Valley (6km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202153.7mph SSWAverage 2019–202412.3mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average May15%8.75%2.5%CalmGaleMay Wind RoseMay (5 Year Average)5 Year Average Annual5 Year Average May25%13.75%2.5%CalmGaleGet an account to remove ads