breaker zone

noun

the area offshore where waves break, between the outermost breaker and the limit of wave uprush; the zone within which waves approaching the coastline start breaking, usually in water depths of 16 to 32 feet (5 to 10 meters).

Also called surf zone.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

surf-zone in Science

The nearshore zone between the outermost breakers and the bore area where wave water rushes onto the beach. The water in the breaker zone is shallow, usually between 5 and 10 m (16 and 33 ft) deep; therefore, most waves there are unstable. Also called surf zone