Creating wave pattern on a cylindrical body

Hi guys i am currently a beginner using grasshopper for some personal passion projects. I was tinkering around with creating sine waves on a cylindrical body but want to make it such that i can manipulate the waves at different points around the circumference on the cylinder to give it a ocean wave like feel which i want to gradient to lower waves as it moves down through the cylinder. Can anyone guide me a bit through this process. I would really appreciate it
cyl-wave.3dm (156.2 KB) (15.5 KB)

have you looked at similar questions ? They are numerous discussions !

What is not good with that ? Please can you be a bit more precise on the desired outcome you want.