I cant, Im at work. Damned night-shift...

(If youve read the web-page from meh_master that he based his code on),
Im thinking of dumping its entire process, except the
vertices<-->neighbouring-vertices averaging filtering, and build up from that.
It seems (after playing a bit) to be the important part.

Germanunkol: this "averaging" filter bypasses the need for the complexities surrounding the usage of SIN-type functions.
Using SIN functionality drags it too close to a REAL water simulator. And that just gets too CPU hungry.