Coasts - Waves

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Across
  1. 2. A disturbance on the surface of the sea or ocean, in the form of a moving ridge or swell.
  2. 3. The number of waves breaking per minute.
  3. 5. The top of a wave.
  4. 7. The type of wave most commonly found on exposed beaches.
  5. 8. The base of a wave.
Down
  1. 1. The horizontal distance between two successive crests.
  2. 4. The type of wave most commonly found in sheltered bays.
  3. 6. The vertical distance from trough to crest.