Shillay (Na h-Eileanan an Iar) Swell ForecastUnited KingdomHEWestern IslesShillay (Na h-Eileanan an Iar)1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIShillay (Na h-Eileanan an Iar) swell forecast issued today at 5:50 pm. Next forecast at approx. 5:50 pm.Get WillyWeather+ to remove ads