In this video we take a look at how to use Niagara Fluids in Unreal Engine 5.4.4 to create a realistic and interactive water simulation in 5 minutes. This is much more performance friendly than a Niagara 3D Water Surface and looks almost as good.
https://dev.epicgames.com/community/learning/tutorials/LZen/unreal-engine-interactive-water-with-niagara-fluids-in-5-minutes