Smith Bay is an estuary in the Beaufort Sea that supports a wide range of fish, birds, and marine mammals. It is located northeast of Point Barrow, Alaska. The Bureau of Ocean Energy Management recognizes the southeastern portion of Barrow Canyon, which covers some, but not all, of Smith Bay, as an Environmentally Important Area.
Approximately 150 miles west of Prudhoe Bay, Alaska, Smith Bay stretches from Dease Inlet, Alaska to Cape Halkett, Alaska. Bordered by barrier islands that separate the shallow, brackish waters from the Beaufort Sea, several slow-moving rivers flow into this region. Along with its adjacent waters, Smith Bay is a shallow-water estuary.
Many species of birds, including yellow-billed loons, king eiders, Arctic terns, black-legged kittiwakes, glaucous and Sabine's gulls, king eiders, long-tailed ducks, and red phalaropes, are found in Smith Bay.
There is a known oil seep at Cape Simpson on the western side of Smith Bay. In 2015 and 2016, Caelus Energy Alaska drilled two exploration wells in the southern part of the bay. In October 2016, the company announced what it called a major oil discovery in the bay and said it would drill a third well in January 2018 and proceed with permitting a pipeline afterwards.
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