Over the years, I've tried mothion sickness medication administered in every style imaginable. I was usually okay going out and coming back. When we shut down to trolliing, I was good for getting the gear in the water and then......If you can stay busy and try to keep your mind of the motion, it can help.

If it is still available, Marezine worked (sort of) for me. With any of the products, I'd suggest to start taking them the day before if you can. I also think the wrist bands (acupressure) help.