Normal
Well not having been there so no personal knowledge but any storm at sea will cause conditions that may not comfortable for some. Doesn't matter if its a big sea/lake or what ever. So the answer is. MAYBE. Depends on your personal level of concerns. Weather and time of year can change things over night. Check with a good travel agent. Depending on the size of your ship also. But even huge ships with stabilizers can not guarantee a completely flat ride if mother nature acts up.