General Navigation USCG Question #1081 (Set 34)

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

Official USCG Answer & Rule Citation

Correct Answer: Option C — Spilling

As detailed in Bowditch, a very flat underwater beach bottom causes waves to gradually interact with the seabed over a long distance. This gradual energy dissipation produces spilling breakers, characterized by foam sliding gently down the advancing wave face.

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