Pen-y-holt Bay Swell ForecastUnited KingdomWLPembrokeshirePen-y-holt Bay1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIPen-y-holt Bay swell forecast issued today at 6:49 am. Next forecast at approx. 6:49 am.Get an account to remove ads