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 10:05 pm. Next forecast at approx. 10:05 pm.Get WillyWeather+ to remove ads