Dunluce Castle Swell ForecastUnited KingdomNIColeraineDunluce Castle1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIDunluce Castle swell forecast issued today at 12:53 am. Next forecast at approx. 12:53 am.Get WillyWeather+ to remove ads