The Beaufort Sea (English Beaufort Sea ) is a part of the Arctic Ocean off the coast of the North Slope of Alaska and the Canadian Yukon and Northwest Territories. It is bounded on the east by the Amundsen Gulf, McClure Strait and the island bench and extends north to the Prince Patrick Iceland.
It was named after Sir Francis Beaufort ( 1774-1857 ).
The lake has an area of about 476,000 km ² and is up to 4683 m deep. The average depth is 1004 m. The ocean is home to part of the oil and gas deposits.
The boundary line ( exclusively on the water ) is part of an area Disputes between Canada and the United States of America.