Honestly it’s too vague of a question. Stylized water is done so many different ways for so many different situations. Is this for a lake, river, or ocean? What’s the art style? Do you need or want reflections? Do you have any reference images from other games or concept art? Are there going to be waves? Is there going to be gameplay from the water? Does the water need to flow in a particular direction? Are you making a beach where waves are going to be hitting the shore? Do you want to see under the water? How dynamic does the solution need to be?
I’ve made 2 completely different stylized water shaders for UDK (including a Wind Waker look), and could do the same for UE4.