Cape Chlanak Swell ForecastUnited StatesAKAleutians West BoroughCape Chlanak1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIICape Chlanak swell forecast issued today at 8:48 pm. Next forecast at approx. 8:48 pm.Get an account to remove ads