(a) A line drawn from Hatteras Inlet Lookout Tower at latitude 35°11.85′ N., longitude 75°43.9′ W. 255° true to the eastern end of Ocracoke Island.
(b) A line drawn from the westernmost extremity of Ocracoke Island at latitude 35°04.0′ N., longitude 76°00.8′ W. to the northeasternmost extremity of Portsmouth Island at latitude 35°03.7′ N., longitude 76°02.3′ W.
(c) A line drawn across Drum Inlet parallel with the general trend of the highwater shoreline.
[USCG-2013-0397, 78 FR 39171, July 1, 2013]