Coastwise
Coastwise means a route that is not more than 20 nautical miles offshore on any of the following waters:
(1) Any ocean;
(2) The Gulf of Mexico;
(3) The Caribbean Sea;
(4) The Bering Sea;
(5) The Gulf of Alaska; or
(6) Such other similar waters as may be designated by a Coast Guard District Commander.
Source
46 CFR § 175.400
Scoping language
The following terms are used in this subchapter: