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I have the same issue, racing out in the boat - slapping waves, I'm fine. When we stop, and I have to look down to get my gear together or tank switched.... I take a Bonine the night before and the morning of a dive, and have been fine. But I haven't been out on a windy, big wave day since I started the Bonine... I like it because Bonine doesn't make me sleepy like Dramamine does. Glad you enjoyed the dives anyway!