New water system - increase size of ocean

I’m trying to add an ocean to my scene with the new water plugin, but I can’t for the life of my get the water body to increase in size. Scaling the actor itself, just scales the splines, but there’s no way that I can find to increase the size of the water itself. Is it hard coded to be no bigger than the default size? My island is a landscape that’s 8129 x 8129 and the water is tiny comparatively.

also looking for a solution to this problem :’(