(a) A line drawn from the southernmost extremity to Cape Fear to latitude 3349.5 N. longitude 7803.7 W. (Cape Fear River Entrance Lighted Bell Buoy ``2CF''); thence to Oak Island Light.
(b) A line drawn from the southernmost extremity of Bird Island at approximate position latitude 3351.2 N. longitude 7832.6 W. to latitude 3350.3 N. longitude 7832.5 W. (Little River Inlet Entrance Lighted Whistle Buoy ``2LR''); thence to the northeasternmost extremity of Waties Island at approximate position latitude 3351.2 N. longitude 7833.6 W.
(c) A line drawn from the seaward extremity of Murrells Inlet north jetty to latitude 3331.5 N. longitude 7901.6 W. (Murrells Inlet Lighted Bell Buoy ``MI''); thence to Murrells Inlet South Jetty Light.
(d) A line drawn from Georgetown Light to latitude 3311.6 N. longitude 7905.4 W. (Winyah Bay Lighted Bell Buoy ``2WB''); thence to the southernmost extremity of Sand Island.