The zone of the shore or beach lying between the foreshore and the coastline and acted upon by waves only during severe storms, especially when combined with exceptionally high water. A beach includes foreshore and backshore. Berm - A nearly horizontal part of the beach or backshore formed at the high water line by waves depositing material.
Some beaches have no berms, others have one or several.
Bluff - A high, steep bank composed of erodible materials. Breakwater - A fixed or floating structure that protects a shore area, harbor, anchorage, or basin by intercepting waves. Bulkhead - A structure or partition placed on a bank or bluff to retain or prevent sliding of the land and protect the inland area against damage from wave action. See also seawall. Current - A flow of water.