By the Sea — No. 5

Across

1. The star that warms a day at the beach (3)

2. A moving swell on the surface of water (4)

3. A large brown seaweed (4)

5. Bubbles on the top of a breaking wave (4)

8. A heavy object used to hold a boat in place (6)

9. A vessel used to travel on water (4)

10. A bird commonly seen near the sea (4)

Down

1. A marine mammal with flippers (4)

4. A structure extending over the water from shore (4)

6. The tall pole supporting a boat's sail (4)

7. A hard covering you might find on the beach (5)