The Coast Guard is establishing a temporary special local regulation for a portion of the navigable waters in the York River, in Yorktown, VA. The special local regulation is needed to protect personnel and vessels during the York River Workboat Races. Entry of vessels or persons into this zone is prohibited unless specifically authorized by the Captain of the Port, Sector Virginia.
Source: Federal Register USCG
Link: Special Local Regulation; York River, Yorktown, VA