closure line definition
closure line means an imaginary line drawn between the co-ordinates specified in Schedule 5 for a river or part of the coastline;
closure line means the straight lines that are drawn between the respective low-water marks of the natural entrance points of bays or rivers where the distance between the two points does not exceed 24 nautical miles (NM) (Part II Section 2 of the United National Convention on the Law of the Sea).
closure line. The line establishing the location of the Closure devices.