Groton Long Point Main Beach Swell ForecastUnited StatesCTNew London CountyGroton Long Point Main Beach1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIGroton Long Point Main Beach swell forecast issued today at 7:47 am. Next forecast at approx. 7:47 am.Get WillyWeather+ to remove ads