If you dream of seeing obstacles in water, it means there are attempts to interfere/ disrupt the flow of water. Imagine yourself in water, which is your current context in waking reality. The obstacles in water are the challenges in your present circumstances. They block the smooth flow of water. You have difficulties in your life. Some of these hardships are caused by your actions. Maybe you did some manipulations to try to control events. But these obstacles are now hindering you.