The Coast Guard is establishing a temporary safety zone on the navigable waters of Boston Inner Harbor within a 300-yard radius of the fireworks barge in the vicinity of Admiral's Hill, Mystic River, Chelsea, Massachusetts. This action is needed to protect the maritime public and event participants from potential hazards created by a fireworks event taking place in a heavily trafficked harbor scheduled for September 21, 2024, with a rain date of September 22, 2024. Entry of vessels or persons into this zone is prohibited unless authorized by the Captain of the Port Sector Boston, or a designated representative.
Source: Federal Register USCG
Link: Safety Zone: Chelsea Day Fireworks, Boston Inner Harbor, Mystic River, Chelsea MA