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 12:18 pm. Next forecast at approx. 12:18 pm.Get WillyWeather+ to remove ads