Territorial Waters (Amendment) Decree 1971 (Decree No. 38). Country/Territory Nigeria Document type Legislation Date 1971 Source FAO, FAOLEX Original source Official Gazette No. 44, Vol. 58, Part A, 2 September 1971, p. A177-178. Subject Sea Keyword Maritime zone Territorial sea Sovereignty Geographical area Africa, North Atlantic, Western Africa Abstract The Decree extends the limits of the Territorial Waters of Nigeria from 12 nautical miles to 30 nautical miles. (4 sections and Schedule) Full text English References - Legislation Amends Territorial Waters Act. Legislation | Nigeria | 1967 (2013) Keyword: Maritime zone, Territorial sea, Enforcement/compliance, Legal proceedings/administrative proceedings, Sovereignty Source: FAO, FAOLEX