San Nicholas Island - Dutch Harbor Swell ForecastUnited StatesCASanta Barbara CountySan Nicholas Island - Dutch Harbor1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIISan Nicholas Island - Dutch Harbor swell forecast issued today at 4:47 pm. Next forecast at approx. 4:47 pm.Get WillyWeather+ to remove ads