Islay - An Clachan Swell ForecastUnited KingdomSTArgyll and ButeIslay - An Clachan1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIIslay - An Clachan swell forecast issued today at 1:51 pm. Next forecast at approx. 1:51 pm.Get an account to remove ads