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Straight Baseline (CFT_25)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: cft_25.ttl

Name
straightBaseline
Attribute
CFT Boundary Determination Method
Definition
A boundary comprised of a system of straight lines joining specified or discrete turning points on the low water line that States may employ to simplify definition of a coastline that is either deeply indented or is cut into or fringed by nearby islands.
Description
(UNCLOS Article 7, Straight baseline) In localities where the coastline is deeply indented and cut into, or if there is a fringe of islands along the coast in its immediate vicinity, the method of straight baselines joining appropriate points may be employed in drawing the baseline from which the breadth of the territorial sea is measured. Where because of the presence of a delta and other natural conditions the coastline is highly unstable, the appropriate points may be selected along the furthest seaward extent of the low-water line and, notwithstanding subsequent regression of the low-water line, the straight baselines shall remain effective until changed by the coastal State in accordance with this Convention.
Accepted
2013-10-18
Allowed for

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.