6 Nautical Mile Limit The 6 nautical mile limit measured from the baselines determined by the Territorial Sea (Baselines) Order 2014 in accordance with the United Nations Convention on the Law of the Sea (UNCLOS). Territorial Sea Limit The limit of the UK territorial sea is 12 nautical miles from the baselines determined by the Territorial Sea (Baselines) Order 2014 in accordance with the United Nations Convention on the Law of the Sea (UNCLOS). Exclusive Economic Zone An area of the sea, as prescribed by the United Nations Convention on the Law of the Sea (UNCLOS), in which a sovereign state has special rights regarding the exploration and use of marine resources, including energy production from water and wind. Source: UK Hydrographic Office