This is a bit easier, but they're getting harder to find! Still fun, I hope
1. Changeable weather Crommers
2. Left (the) Quayside
3. Afternoon tea WM
4. Man overboard Crommers
5. Inside cabin Ossie
6. Tip the waiter Jo
7. Explore, near and far
8. Round-the-world cruise WM
9. Medical centre Crommers
10. Sipping cocktails
11. Cabin number
12. Junior suite Comments
13. Dress for dinner Crommers
14. Overseas ports Crommers
15. Cross over the line Crommers
16. On-board credit Crommers
17. Dressed to the nines Gal
18. Pre-dinner drinks Jo