At the top of the SeaWater.fx file there is a setting for BaseOpacity that controls the transparency. If you set it much below 0.95 you may start to see the land textures that actually lay under the water. In some cases this looks like shallows and reefs (kinda cool) in other cases it just looks weird to see fields outlined under the water.
In my RS and BoB games I get this, and the water is more green than blue. my base pacity in both games is at 0.95.
What changes should be done to get a more bluehis water?