I have a map that uses World Partition and on which I added some rivers (transformed into blueprint) and lakes (default). Specifically, I used the water plugin from Unreal. To make the water interactive I added BP Fluid Sim to the character because I have different z’s and I set BP Dynamic Force Ske…

Yes, I made a tutorial here [Unreal Engine 5 FluidSim Interactive Water | Unreal Water Plugin | Tutorial]