Larne Lough Entrance Swell ForecastUnited KingdomNILarneLarne Lough Entrance1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIILarne Lough Entrance swell forecast issued today at 6:47 am. Next forecast at approx. 6:47 am. Wave Height Sea TemperatureGet WillyWeather+ to remove ads