open sea

American  

noun

1. the main body of a sea or ocean, especially the part that is outside territorial waters and not enclosed, or partially enclosed, by land.

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Example Sentences

See Examples For:

open sea

Because wolves are not capable of naturally colonizing such an island across open sea, researchers believe humans must have brought the animals there, likely by boat.

From Science Daily ● Jul. 5, 2026

While there is debate about why so many Chinese fishing vessels would gather in geometric formations in the open sea, experts widely agree that they were not there to fish.

From Barron's ● Mar. 13, 2026

ITF inspector Nathan Smith tells me that he expects the tanker's fate will be resolved only when the oil is transferred off the ship through a ship-to-ship transfer in open sea.

From BBC ● Feb. 8, 2026

Information gathered on Chinese Arctic voyages enables its scientists to build computer models of undersea conditions, which its navy can later tap to plot routes allowing them to operate more freely in the open sea.

From The Wall Street Journal ● Dec. 30, 2025

Hours before, he had moved past the islands, felt more than saw them in the darkness, and headed into the open sea.

From "The Voyage Of The Frog" by Gary Paulsen