Waves classic style animation

hello guys, im trying to look for references and tutorials for an animation i have to do. The waves need to be formed and animated using a classical style, and have lots of movement, also if the animation is parametric better.
i need to find references and tutorials on something like this. thanks in avance.

http://imageshack.us/photo/my-images/23/olas.jpg/
http://img17.imageshack.us/img17/9236/wavesz.jpg