Menai Strait - Castell-gwylan UV IndexUnited KingdomWLIsle of AngleseyMenai Strait - Castell-gwylan1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAMenai Strait - Castell-gwylan UV forecast issued yesterday at 6:52 pm. Next forecast at approx. 6:52 pm.Get WillyWeather+ to remove ads