I suppose they might claim the ships are within their Contiguous zone..
Territorial sea: Up to 12 nautical miles (22 kilometres 14 miles) from the baseline, the coastal state is free to set laws, regulate the use, and use any resource in essence, the coastal State enjoys Sovereign rights and sovereign jurisdiction within its territorial sea. Vessels were given the right of innocent passage through any territorial sea, with strategic straits allowing the passage of military craft as transit passage, in that naval vessels are allowed to maintain postures that would be illegal in the territorial sea. "Innocent passage" is defined by the convention as passing through waters in an expeditious and continuous manner, which is not "prejudicial to the peace, good order or the security" of the coastal state. Fishing, polluting, weapons practice, and spying are not "innocent", and submarines and other underwater vehicles are required to navigate on the surface and to show their flag. Nations can also temporarily suspend innocent passage in specific areas of their territorial sea, if doing so is essential for the protection of their security.
Contiguous zone: Beyond the 12-nautical-mile (22 km) limit, there is a further 12 nautical miles (22 km) from the territorial sea baseline limit, the contiguous zone. Here a state can continue to enforce laws in four specific areas (customs, taxation, immigration, and pollution) if the infringement started or is about to occur within the state's territory or territorial waters.[19] This makes the contiguous zone a hot pursuit area.
https://en.wikipedia.org/wiki/United_Nations_Convention_on_the_Law_of_the_Sea
Edited on 31/03/2026 at 15:18:16.
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