Great Cranberry Island - Bunker Head Swell ForecastUnited StatesMEHancock CountyGreat Cranberry Island - Bunker Head1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIGreat Cranberry Island - Bunker Head swell forecast issued yesterday at 6:44 pm. Next forecast at approx. 6:44 pm.Get WillyWeather+ to remove ads