The Coast Guard is establishing a safety zone to be enforced in the event of hurricanes, tropical storms, and other disasters in the San Juan Captain of the Port (COTP) Zone. This action is necessary to ensure the safety of the waters of the San Juan COTP zone. This regulation establishes actions to be completed by parties operating on and around the navigable waterways of the San Juan COTP zone. This may include the owners and operators, and those in management and control positions of regulated facilities, waterfront facilities, and vessels, prior to landfall of hurricanes, tropical storms, and other disasters threatening the San Juan COTP Zone.
Source: Federal Register USCG
Link: Safety Zone; Heavy Weather and Natural or Other Disasters in San Juan Captain of the Port Zone, Sector San Juan