Water/Ocean Material

I was looking for some ocean material like udk for ue4, and I found this [WIP] Sandbeach Ocean / Terrain - Work in Progress - Unreal Engine Forums
So I was trying to do one by myslef, and is is what I got.
[SPOILER]

https://s31.postimg.org/8duhxwgzv/1_SS.png

https://s31.postimg.org/x75fkl72z/SS2.png

https://s31.postimg.org/ha6nnveor/SS3.png

[/SPOILER]

Any help with the waves like that on the another thread ? and foam ?