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Rhode Island Sound facts for kids

Kids Encyclopedia Facts
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Rhode Island Sound, shown in pink

Rhode Island Sound is a strait of water off the coast of the U.S. state of Rhode Island at the mouth of Narragansett Bay. It forms the eastern extension of Block Island Sound and opens out the Atlantic Ocean between Block Island and Martha's Vineyard.


Geographically, Rhode Island Sound is the eastward extension of Block Island Sound. Northeast of Rhode Island Sound is Buzzards Bay. The Rhode Island Sound is approximately 2,500 km2 (970 sq mi) and has a maximum depth of 60 metres (200 ft). Average wave heights range from one to three metres (3.3 to 9.8 ft). Circulation and current strength are mostly impacted by the surrounding geology and not by wind strength. This causes the sea floor habitats in the Rhode Island Sound to be constantly changing.

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