Watch the water refers to the painting in the background in NK. The painting changed from a storm to a beautiful sunrise and this was pointed out by an anon to symbolize that Kim Jong Un was liberated from deep state. Q acknowledged this in post 849:

First picture from NK: https://qanon.pub/#744, https://qanon.pub/#745

Second picture: https://qanon.pub/#846

Final post with anon showing both pictures, where the background has has changed: https://qanon.pub/#849