Santa Catalina Island - Cactus Bay UV IndexUnited StatesCALos Angeles CountySanta Catalina Island - Cactus Bay1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASanta Catalina Island - Cactus Bay UV forecast issued today at 12:17 pm. Next forecast at approx. 12:17 pm.Get WillyWeather+ to remove ads