Storm beach

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Chesil Beach from the Isle of Portland.
Chesil Beach from the Isle of Portland.

A storm beach is a beach affected by particularly fierce waves, usually with a very long fetch. The effect is most often a very steep beach (up to 45°) made out of shingle or occasionally sand. The shingle variety usually has an obvious grading of pebbles, from large to small, along the beach.

A particularly famous textbook example is the 18-mile long Chesil Beach in Dorset, England. It is also a tombolo connecting the Isle of Portland to the mainland west of the resort of Weymouth.