open sea

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.

Example Sentences

He said he had "never imagined" swimming across an open sea when he embarked on his epic challenge.

From BBC

“The archipelago contains numerous islands of different sizes and accessibility. In places there are narrow channels between islands as well as open sea. The region is home to pods of orcas and gray whales and humpbacks. In addition, bald eagles are thriving in the islands. My biggest thrill was being out on the water in a small boat with orcas coming alongside. Tourism is the principal industry now, but the islands’ largest town, Friday Harbor, is not garish, schlocky or overrun.”

From Los Angeles Times

“The archipelago contains numerous islands of different sizes and accessibility. In places there are narrow channels between islands as well as open sea. The region is home to pods of orcas and gray whales and humpbacks. In addition, bald eagles are thriving in the islands. My biggest thrill was being out on the water in a small boat with orcas coming alongside. Tourism is the principal industry now, but the islands’ largest town, Friday Harbor, is not garish, schlocky or overrun.”

From Los Angeles Times

Australia is particularly reliant on open sea and air routes as an island nation that trades with the world and is therefore suspectable to coercion from foreign militaries, Marles said.

From Seattle Times

Now, researchers reporting in the journal Current Biology on May 23 show that sexual parasitism arose during a time of major global warming and rapid transition for anglerfishes from the ocean floor to the deep, open sea.

From Science Daily