Elkhorn Slough National Estuarine Sanctuary UV IndexUnited StatesCAMonterey CountyElkhorn Slough National Estuarine Sanctuary1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAElkhorn Slough National Estuarine Sanctuary UV forecast issued yesterday at 11:17 am. Next forecast at approx. 11:17 am.Get WillyWeather+ to remove ads