Spruce Head Island Swell ForecastUnited StatesMEKnox CountySpruce Head Island1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIISpruce Head Island swell forecast issued today at 7:46 pm. Next forecast at approx. 7:46 pm. Wave Height Sea TemperatureGet WillyWeather+ to remove ads