Sorry if the question does not fit this site. I am new to blender, but I am lost. I want to do a simple animation, where a boat passes in a calm ocean and as its ripples expand, they change the ocean color. I know how to make an ocean, I saw a tutorial on how to make ripples (but not in mesh with a ocean modifier), but I have no idea on how to change the color.
I just need a north, like what should I search for.
Here is a terrible made concept: