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 today at 6:49 pm. Next forecast at approx. 6:49 pm.Get WillyWeather+ to remove ads