Get the motion sickness braclet or patch you put behind your ear. I take a lot of cruises and people use them all the time.
As long as you know your limit and it's not bad weather you should be fine then. If not, chinos will make you over drink until you are.
I'm already booked for 13th but I'll probably do the 9th too .... It's the only way I get the man away from the bar and in the sun.... Lol Sent from my iPhone using Tapatalk