Chesapeake Bay - Halfmoon Island UV IndexUnited StatesVAAccomack CountyChesapeake Bay - Halfmoon Island1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAChesapeake Bay - Halfmoon Island UV forecast issued today at 2:17 pm. Next forecast at approx. 2:17 pm.Get WillyWeather+ to remove ads