Catch a Waves

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Across
  1. 3. the pattern water particles move in
  2. 5. small waves caused by surface tension
  3. 7. measured from crest to crest
  4. 8. large waves caused by earthquake
  5. 10. lowest point of a wave
  6. 11. large waves in open ocean
Down
  1. 1. medium waves that approach the shore
  2. 2. measured from crest to trough
  3. 4. best for skim boards
  4. 6. large crashing waves
  5. 9. highest point of a wave