Tal-y-llyn Wind ForecastUnited KingdomWLGwyneddTal-y-llyn1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Tal-y-llyn wind forecast issued today at 1:09 am. Next forecast at approx. 1:09 pm.Tal-y-llyn Wind Statistics September WindLake Vyrnwy Saws (31km)2025AugustSeptemberStrongest 15 September, 202538mph SWAverage September7.9mphStrongest 4 August, 202535.8mph SWAverage August6.6mphStrongest 24 January, 202547mph SWAverage 20257.3mphClimate (2011–Present)Lake Vyrnwy Saws (31km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 23 January, 202451.4mph SWAverage 2020–20258mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September20%11.25%2.5%CalmNear GaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September27.5%15%2.5%CalmNear GaleGet WillyWeather+ to remove ads