noun
maritime police; coast guard
Refers to a police force responsible for maritime law enforcement, often equivalent to a coast guard in other countries. In a Japanese context, it may refer to the Japan Coast Guard (海上保安庁) or similar organizations.
海洋警察が密輸船を追跡した。
The maritime police pursued the smuggling ship.
The Japan Coast Guard, a specific agency. 海洋警察 is a more generic term for maritime police forces.
Compound of 海洋 (ocean) and 警察 (police). The term is a straightforward calque or translation of 'maritime police'.