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 12:11 pm. Next forecast at approx. 12:11 am. Wind Speed Wind GustPorth Diana Wind Statistics November WindValley (6 km)2026OctoberNovemberStrongest 4 November, 202617.9 mph ENEAverage November5.8 mphStrongest 24 October, 202644.7 mph SAverage October15.2 mphStrongest 4 April, 202649.2 mph SSWAverage 202612.3 mphClimate (2021–2026)Valley (6 km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202153.7 mph SSWAverage 2021–202612.2 mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average November15%8.75%2.5%CalmStrong GaleNovember Wind RoseNovember (5 Year Average)5 Year Average Annual5 Year Average November17.5%10%2.5%CalmStrong GaleGet WillyWeather+ to remove ads