The bay at San Sebastián, Spain

The Bay of Bengal in South Asia

The bay of Baracoa, Cuba

The bay of İzmir, in Turkey

A bay is an area of water mostly surrounded or otherwise demarcated by land. Bays generally have calmer waters than the surrounding sea, due to the surrounding land blocking some waves and often reducing winds.

A large bay may be called a gulf, a sea, a sound, or a bight. A narrow bay may also be called a fjord if its sides are relatively steep. A cove is a circular or oval coastal inlet with a narrow entrance; some coves may be referred to as bays.

Most small bays are formed as soft rock or clay is eroded by waves. Any hard rock is eroded less quickly, leaving headlands. Any bay may contain fish and other sea creatures or be adjacent to other bays (for example, James Bay is adjacent to Hudson Bay). Large bays, such as the Bay of Bengal and the Hudson Bay, have varied marine geology.

There are various ways that bays can be created. For example, the water level of a sea can rise, flooding the shore and creating a bay.

[edit] See also

• Bay platform
• Bay of Bengal
• Beach cusps
• Great capes
• Headland
• Headlands and bays
• List of bays of the British Isles

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