Ocean Shader Project
From Unify Community Wiki
Ocean Shader Project
The goal is to develop a realistic ocean waves, environmental and underwater effects through shaders, scripting and other methods in the Unity 3D game engine. A Unity support forum thread can be found here that details the current state of development. Developers and other contributors are encouraged to edit this page and post their work.
Download
The current version of Ocean 3D that is available is available for download on Nikko's site.
Download Ocean3D from Nikko's site
Nikko's Ocean 3D blog posts with videos previewing the latest versions.
Here's Trond's version:
Trond's version Github last update 6 Oct 2010