Umpqua River South Jetty Swell ForecastUnited StatesORDouglas CountyUmpqua River South Jetty1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIIUmpqua River South Jetty swell forecast issued yesterday at 10:48 pm. Next forecast at approx. 10:48 pm.Get WillyWeather+ to remove ads