This Water Physics plugin allows you to add water physics simulations to any physics body with minimal setup. This plugin specializes in water physics for boats and other watercrafts but can also be used for general purpose buoyancy simulations.
Technical Details
Network Replicated: Works with Unreal’s built-in physics replication. Replication of water surface will have to be done by the user.
Tested Platforms: Windows (But should work for any platform)
Supported Development Platforms: Windows, MacOS, and Linux
Original_Link: https://www.unrealengine.com/marketplace/en-US/product/dynamic-water-physics