In Korean tradition, dreaming of waves is read as mixed. It is most often tied to 재물, 전반.
Waves are fortune surging and receding — gentle swells, smooth going; towering waves, change beyond your measure. Riding over them, mastering it.
Tradition reads the symbol as an omen; psychology reads the same dream as a mirror of your present state. Describe your dream and both readings appear together. Interpret your dream