Columbia River - Westport Slough Entrance UV IndexUnited StatesORClatsop CountyColumbia River - Westport Slough Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAColumbia River - Westport Slough Entrance UV forecast issued today at 11:17 am. Next forecast at approx. 11:17 am.Get WillyWeather+ to remove ads