Jenness State Beach Swell ForecastUnited StatesNHRockingham CountyJenness State Beach1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIJenness State Beach swell forecast issued today at 12:46 am. Next forecast at approx. 12:46 am.Get WillyWeather+ to remove ads