Sonoma Coast State Beach Swell ForecastUnited StatesCASonoma CountySonoma Coast State Beach1-Day3-Day5-Day Graph Plots Open in GraphsSwell Height and Direction Forecast NOAA WaveWatch IIISwell Period Forecast NOAA WaveWatch IIISonoma Coast State Beach swell forecast issued yesterday at 10:52 pm. Next forecast at approx. 10:52 pm.Get an account to remove ads