Water Material Problem

Iam new here so i hope this is in the right Section,
At the Moment i work at a Water Material for my Ocean.
I know mostly how to do it with SinusWave and all but Tipps for it are much welcome.

But my main Problem actually is that i dont know how to add it.
When i add my Material to a Plane the whole Plane is waving but not single Waves,
What i miss ? Do i need a Grid and if yes how exactly i do it.

Thanks for the help.

using normal map you can make a rippling surface. for waves you have to move vertices. the number of vertices is going to vary from case to case.
if you use world offset, then in blender/maya take a plane and subdivide it then import it and see how it looks.
if you use tesselation then you can maybe use the default plane.

Okey so what do you would say is the better way for a complete Ocean ?
Iam scared about perfomance stuff :S. When i add a huge dividided Mesh into the Game.
And do you have any links for the tesselation stuff ?

i’m guessing some subdividing, but mostly use tessellation. but you’ll have to test it different ways to really know what is more performant .