Porth y Wylfa Wind ForecastUnited KingdomWLIsle of AngleseyPorth y Wylfa1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met Office Swell Height and Direction Forecast NOAA WaveWatch IIIWind Real-Time Porth y Wylfa wind forecast issued today at 12:09 am. Next forecast at approx. 12:09 pm.Porth y Wylfa Wind Statistics January WindValley (18km)2026DecemberJanuaryStrongest 1 January, 202622.4mph WAverage January12.7mphStrongest 9 December, 202553.7mph SAverage December16.4mphStrongest 1 January, 202622.4mph WAverage 202612.7mphClimate (2011–Present)Valley (18km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202153.7mph SSWAverage 2021–202612mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average January15%8.75%2.5%CalmStrong GaleJanuary Wind RoseJanuary (5 Year Average)5 Year Average Annual5 Year Average January20%11.25%2.5%CalmStrong GaleGet WillyWeather+ to remove ads