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.
List of features
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
Supported Target Build Platforms: Any Platform (If you are interested in building for a platform not listed with official support please contact me)
Trial Version Restrictions include: Pop-up warning when launching the editor. Unable to use in non-editor builds. Source not included.
If you encounter bugs/issues on any platform, feel free to contact me.