You will not know until you try it. My mother said she could be seasick in the bath! Whereas I am never sick. Having a cabin is good because you will be away from others who are sick, and that makes you feel sick.
How much the boat rocks will depend on the weather.
Retiring and living frugally in money from downsizing after years of stress



I know you fly over water in an aeroplane, but it's not for so long. Can anyone tell me it will be ok?