The Coast Guard will enforce various special local regulations for annual regattas and marine parades on dates between April 27, 2024, and September 1, 2024, in the Captain of the Port Detroit zone. Enforcement of these regulations is necessary and intended to ensure safety of life on the navigable waters immediately prior to, during, and after these regattas or marine parades. During the aforementioned period, the Coast Guard will enforce restrictions upon, and control movement of, vessels in a specified area immediately prior to, during, and after regattas or marine parades.
Source: Federal Register USCG
Link: Special Local Regulations; Marine Events in the Coast Guard Sector Detroit Captain of the Port Zone-April to September 2024