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 1:09 pm. Next forecast at approx. 1:09 am.Porth y Wylfa Wind Statistics June WindValley (18km)2025MayJuneStrongest 3 June, 202538mph SAverage June12.7mphStrongest 26 May, 202535.8mph SSWAverage May9.7mphStrongest 24 January, 202551.4mph SAverage 202510.8mphClimate (2011–Present)Valley (18km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202153.7mph SSWAverage 2020–202512.1mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average June15%8.75%2.5%CalmGaleJune Wind RoseJune (5 Year Average)5 Year Average Annual5 Year Average June20%11.25%2.5%CalmGaleGet WillyWeather+ to remove ads