Merrymeeting Bay - Cathance River Entrance UV IndexUnited StatesMESagadahoc CountyMerrymeeting Bay - Cathance River Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAMerrymeeting Bay - Cathance River Entrance UV forecast issued today at 9:47 pm. Next forecast at approx. 9:47 pm.Get an account to remove ads