Beachcomber

123456789101112131415161718192021
Across
  1. 2. One searching at low tide for a bird
  2. 5. Surface for surfing
  3. 6. Shoe annoyance
  4. 7. Ebb and flow
  5. 9. Periodical
  6. 10. Squid's cousin
  7. 12. Ill-tempered fellow
  8. 13. Underwater forest filler
  9. 14. Turtle topper
  10. 17. Search thoroughly
  11. 18. Sandy Expanses
  12. 20. A Reuter's misprint - I'd dig a hole to conceal that!
  13. 21. To pull your boat up on the shore
Down
  1. 1. Possible hazard for small boats did for two unfortunately
  2. 3. Wade and see shifting kelp
  3. 4. A sea wasp is not an insect, but one of these stinging ocean "fish"
  4. 8. Recession in a seaside town?
  5. 10. At the waters edge
  6. 11. Muddy footwear?
  7. 12. Refuse to talk, like a beach creature
  8. 15. Activity involving firing
  9. 16. Certain black card
  10. 19. gems from the sea