General Navigation USCG Question #1079 (Set 34)

The chart of a beach area shows a very steep slope to the underwater beach bottom. Which type of breakers can be expected when trying to land a boat on this beach?

Official USCG Answer & Rule Citation

Correct Answer: Option A — Surging

Per Bowditch's oceanographic principles, a very steep bottom slope rapidly forces the base of incoming waves to decelerate while the crest maintains its momentum. This abrupt transition causes plunging or surging breakers, which surge steeply up the beach face with high energy.

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