Surf beat — Free Oceanography Illustration

Oceanography

Surf beat

Diagrammatic view of shoreward-moving breaker lines showing surf beat as a rhythmic alternation between larger and smaller wave crests. Depict a series of blue to blue-green wave bands or crests approaching shore, with repeating changes in height and spacing so that some breakers are larger and more foam-topped while others are smaller. White foam tips should highlight the breaking crests. A broader, slower undulating envelope or modulation curve may be superimposed over the breaker sequence to emphasize the periodic rise and fall in surf intensity caused by mixed interference.

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