Ballantrae Swell ForecastUnited KingdomSTSouth AyrshireBallantrae1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIBallantrae swell forecast issued yesterday at 10:47 pm. Next forecast at approx. 10:47 pm.Get an account to remove ads