Have you actually been on the open ocean?
In a boat. More specifically, a wind-powered sail boat? Did you actually help handle the craft?
Everything but the last two for me.
Though I did polish up the handles so carefully...
Edit in: “Open Ocean” is meant to include major seas, such as the Baltic, Black Sea, Mediterranean, Aegean, Caribbean, etc. I suppose the Adriatic or Gulf of Baja might be relatively calm, but go with your gut if you feel it was something a bit more adventuresome than placid.