Hint: Gone sailing
The answer to this puzzle is:
1. HELM
2. PORT
3. HATCH
4. SAIL
5. ANCHOR
6. BILGE
7. GALLEY
8. BARNACLE
9. RAFT
10. FOAM
11. SEAWEED
12. KEEL
13. TACK
2. PORT
3. HATCH
4. SAIL
5. ANCHOR
6. BILGE
7. GALLEY
8. BARNACLE
9. RAFT
10. FOAM
11. SEAWEED
12. KEEL
13. TACK