<p>Fig. 5. A surging breaker occurs with low steepness waves and/or steep beach profiles.&nbsp;A plunging breaker occurs on a moderately steep beach slope and the wave crest curls over and collapses suddenly.&nbsp;A spilling breaker is a steep wave that occurs on a gentle beach slope when the unstable top of the wave spills down the front of the wave.</p>

Fig. 5. A surging breaker occurs with low steepness waves and/or steep beach profiles. A plunging breaker occurs on a moderately steep beach slope and the wave crest curls over and collapses suddenly. A spilling breaker is a steep wave that occurs on a gentle beach slope when the unstable top of the wave spills down the front of the wave.

Image courtesy of original SEA curriculum