Cape Perpetua Swell ForecastUnited StatesORLane CountyCape Perpetua1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIICape Perpetua swell forecast issued today at 9:47 pm. Next forecast at approx. 9:47 pm.Get WillyWeather+ to remove ads