Territorial baseline

The Territorial Sea Baseline (often simply referred to as the Baseline) is a line from which Australia’s Territorial Sea, Coastal Waters, Contiguous Zone and Exclusive Economic Zone are measured. It is drawn in accordance with the provisions of the United Nations Convention on the Law of the Sea and the Seas and Submerged Lands Act (1973). In most cases the baseline it is the line of Lowest Astronomical Tide however the line jumps across rivers and some bays and also between near offshore islands in some situations. It also includes the low water line around islands and some reefs. More information