Across
- 3. An area of the sea where the water is not very deep
- 5. The rising and falling of the sea
- 9. Sweep over something to cover it completely
- 10. To stand on a surfboard and ride on a wave
- 12. A colourless, transparent, odourless liquid
- 14. Someone at the beach who saves people from getting drowned
- 15. A castle made out of a yellow granular substance
- 16. The land along the edge of a sea
- 18. A yellow granular substance
Down
- 1. For water to enter the lungs so you die
- 2. A large body of water curling into an arched form
- 3. Someone who swims
- 4. The solid mineral material forming part of the surface of the earth
- 6. Having high temperature
- 7. A board used in surfing
- 8. Make forceful efforts to get free of restraint
- 11. Something used as protection against rain
- 13. A sudden accident that causes lots of damage or loss of life
- 16. Bright with sunlight
- 17. To save someone