Chesapeake Bay - Big Annemessex River Entrance UV IndexUnited StatesMDSomerset CountyChesapeake Bay - Big Annemessex River Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAChesapeake Bay - Big Annemessex River Entrance UV forecast issued today at 2:17 pm. Next forecast at approx. 2:17 pm.Get WillyWeather+ to remove ads