To see a tidal wave in your dream, represents an overwhelming emotional issue that demands attention. You may have been keeping your feelings and negative emotions bottled up inside for too long. On a positive note, the tidal wave symbolizes the clearing away of old beliefs. If you are carried away by the tidal wave, then it signifies that you are ready to make a brand new start in a new place. To dream that you can create a tidal wave with your mind, is analogous to your ability to control your emotions and keep them in line.