Llantwit Major Beach Swell ForecastUnited KingdomWLVale of GlamorganLlantwit Major Beach1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIILlantwit Major Beach swell forecast issued today at 12:49 am. Next forecast at approx. 12:49 am.Get WillyWeather+ to remove ads