Hewett Island Swell ForecastUnited StatesMEKnox CountyHewett Island1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIHewett Island swell forecast issued yesterday at 7:44 pm. Next forecast at approx. 7:44 pm.Get WillyWeather+ to remove ads