Arcata Bay - Eureka Slough Bridge UV IndexUnited StatesCAHumboldt CountyArcata Bay - Eureka Slough Bridge1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAArcata Bay - Eureka Slough Bridge UV forecast issued yesterday at 11:17 am. Next forecast at approx. 11:17 am.Get WillyWeather+ to remove ads