Southern Ocean

The Southern Ocean extends from the coast of Antarctica north to 60 degrees south latitude, which coincides with the Antarctic Treaty Limit. The Southern Ocean is now the fourth largest of the world's five oceans (after the Pacific Ocean, Atlantic Ocean, and Indian Ocean, but larger than the Arctic Ocean).

The area of Southern ocean is 20.327 million sq km includes Amundsen Sea, Bellingshausen Sea, part of the Drake Passage, Ross Sea, a small part of the Scotia Sea, Weddell Sea, and other tributary water bodies.The sea temperatures vary from about −2 to 10 °C (28 to 50 °F). The ocean-area from about latitude 40 south to the Antarctic Circle has the strongest average winds found anywhere on Earth.