Sadly, this is not possible, at least AFAIK. The basic problem is that a gravitational wave won't push against you, like a water wave would; the wave will pass

Sadly, this is not possible, at least AFAIK. The basic problem is that a gravitational wave won't push against you, like a water wave would; the wave will pass through you. See https://worldbuilding.stackexchange.com/questions/36113/would-it-be-possible-to-ride-a-gravitational-wave https://worldbuilding.stackexchange.com/questions/36113/woul... for a more detailed explanation.