Ocracoke Inlet (/ˈoʊkrʌkoʊk/)[1] is an estuary located in the Outer Banks of North Carolina, United States that separates Ocracoke Island and Portsmouth Island. It connects the Atlantic Ocean to the Pamlico Sound. It is the southern terminus of the Cape Hatteras National Seashore, and the northern terminus of the Cape Lookout National Seashore. The inlet is approximately two miles across, although it changes daily.