Hampton Beach State Park Swell ForecastUnited StatesNHRockingham CountyHampton Beach State Park1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIHampton Beach State Park swell forecast issued yesterday at 7:47 pm. Next forecast at approx. 7:47 pm.Get an account to remove ads