Santa Catalina Island - Sullivans Beach UV IndexUnited StatesCALos Angeles CountySanta Catalina Island - Sullivans Beach1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASanta Catalina Island - Sullivans Beach UV forecast issued today at 11:18 am. Next forecast at approx. 11:18 am.Get WillyWeather+ to remove ads