San Simeon State Park Swell ForecastUnited StatesCASan Luis Obispo CountySan Simeon State Park1-Day3-Day5-Day Graph Plots Open in Graphs Swell Height and Direction Forecast NOAA WaveWatch III Swell Period Forecast NOAA WaveWatch IIISan Simeon State Park swell forecast issued today at 10:47 am. Next forecast at approx. 10:47 am. Wave Height Sea TemperatureGet WillyWeather+ to remove ads