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 today at 4:17 pm. Next forecast at approx. 4:41 pm.Get an account to remove ads