Territorial Sea Act 1987 (Chapter 49). Country/Territory United Kingdom Document type Legislation Date 1987 Source FAO, FAOLEX Long titleAn Act to provide for the extent of the territorial sea adjacent to the British Islands. Subject Sea Keyword Maritime zone Territorial sea Sovereignty Geographical area Atlantic Ocean Islands, Europe, Europe and Central Asia, North Atlantic, North Sea, North-East Atlantic, Northern Europe Abstract The Act makes provision for the extension of the territorial sea to 12 nautical miles. The baselines shall be established by an Order in Council. (4 sections, 2 Schedules) Full text English Website www.opsi.gov.uk References - Legislation Implemented by Territorial Sea (Limits) Order 1989. Legislation | United Kingdom | 1989 Keyword: Maritime zone, Territorial sea, Sovereignty Source: FAO, FAOLEX Territorial Sea (Baselines) Order 2014 (S.I. No. 1353 of 2014). Legislation | United Kingdom | 2014 Keyword: Maritime zone, Territorial sea, Sovereignty Source: FAO, FAOLEX Territorial Sea Act 1987 (Guernsey) Order 2014 (S.I. No. 1105 of 2014). Legislation | United Kingdom | 2014 Keyword: Maritime zone, Territorial sea, Sovereignty Source: FAO, FAOLEX Territorial Sea Act 1987 (Guernsey) Order 2019 (S.I. No. 1118 of 2019). Legislation | United Kingdom | 2019 Keyword: Maritime zone, Territorial sea, Continental shelf, Sovereignty Source: FAO, FAOLEX Amended by Marine (Scotland) Act 2010 (2010 asp 5). Legislation | United Kingdom | 2010 (2021) Keyword: Fishery management and conservation, Marine fisheries, Inland fisheries, Enforcement/compliance, Land-use planning, Coastal zone management, Basic legislation, Policy/planning, Institution, Maritime zone, Territorial sea, EEZ-Exclusive Economic Zone, Mariculture, Sovereignty, Marine pollution, Marine area, Ecosystem preservation, Marine protected areas, Marine mammals, Protected area Source: FAO, FAOLEX Marine and Coastal Access Act 2009 (Cap. 23). Legislation | United Kingdom | 2009 Keyword: Fishery management and conservation, Marine fisheries, Inland fisheries, Enforcement/compliance, Coastal zone management, Land-use planning, Basic legislation, Policy/planning, Maritime zone, Territorial sea, EEZ-Exclusive Economic Zone, Sovereignty, Marine area, Marine protected areas, Protected area Source: FAO, FAOLEX