National Park Service The First National Seashore Cape Hatteras National Seashore, the nation’s first national seashore, was established in 1937 to preserve significant segments of unspoiled barrier islands along North Carolina’s stretch of the Atlantic Coast. Barrier islands are narrow, low-lying, dynamic landforms which parallel ocean coasts, are separated from the mainland, and are constantly moving and reshaping in response to storms, ocean currents, sea level changes, and wave and wind action. These processes continue to influence the islands today through the processes of erosion and accretion of the shoreline; overwash across the islands; and the formation, migration, and closure of the inlets.
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Last updated: November 3, 2021