What does it mean to dream about wave?
A wave often pictures a surge of feeling or change rolling toward you, manageable or overwhelming, and a great wave can mean being swept up by force.
Four ways to read it
Each reading below comes from a named tradition and a cited source, so you can see where it came from and decide what fits your dream.
Freud
Freud would read a wave as feeling rising from the deep and breaking over the waking mind, an urge or emotion that gathers force. A towering wave often marks something felt as too strong to hold back.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
Jung might see a great wave as the unconscious surging up to flood the ego, an upheaval that demands attention. What rolls in can be feared, but it can also be the very thing seeking to be known.
Jungian concept (our summary).Modern
Threat-simulation accounts suggest a tidal wave lets the sleeping mind rehearse a sudden, engulfing danger. In daily terms it often tracks emotion or events that feel about to overwhelm you.
Threat-simulation theory (our summary).Mythological
The flood that drowns the old world recurs across myth, from the deluge of the ancient Near East to the tales of survivors riding the waters. The great wave stood for forces beyond any human hold.
Rosmerta Publishing editorial synthesis (after Frazer; Bulfinch).