Are Galapagos seas rough, and will I get seasick?

Some people do, mostly on longer open-water crossings, which many itineraries make at night. Seas are generally calmer in the warm season (about December to May) and choppier from about July to October, when winds and swell pick up.

Larger vessels and catamarans tend to roll less than small monohull yachts, and itineraries with shorter crossings help. A cabin low and in the middle of the vessel moves least.

Ask your doctor before the trip about options such as a prescription scopolamine patch or over-the-counter meclizine or dimenhydrinate, and start them before you feel ill. On board, fresh air, looking at the horizon and light meals help most people adjust within a day or two.