Meaning of dream of tidal wave:
Good news! Many opportunities come crashing onto you. Make hay while the sun shines! The wave brings a splash of water. In many cultures, water is respected as a saving source for life. Such a big wave of water means good fortune will rain down on you.
If you see somebody making waves in a pool of water in a dream, it means someone in your real life, is making headlines or fuss, to get attention.
The size of the wave an indicate the amount of disturbance it causes to normal life. If you see a big wave, it means you will experience something big and impressive in your life.
Big waves are not always good since they can rock your boat and cause problems.