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 yesterday at 7:45 pm. Next forecast at approx. 7:45 pm.Get WillyWeather+ to remove ads