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 3:18 pm. Next forecast at approx. 3:18 pm.Get WillyWeather+ to remove ads