The United States Coast Guard rescued four people off a sinking boat south of Dry Tortugas National Park early Monday morning. Following the activation of an Emergency Position Indicating Radio Beacon (EPIRB) on board their vessel, the individuals were rescued amid heavy seas and weather caused by a passing storm. “Watchstanders at the Coast Guard’s Seventh District Command Center and Sector Key West received the distress signal and diverted the crew of the Coast Guard Cutter Charles David, Jr. towards the boat’s position, approximately 35 nautical miles south of the Dry Tortugas. An MH-65 “Do…