Being carried away by emotions (Water), being transported by and giving in to the existing Rhythm. See Sailboat. Here the power of the Winds, as well as the intellect, is used for moving forward. This is also often an expression of fear about going under, in the sense that the Head would be submerged under Water (similar to fear of emotional chaos, as in Swamp). This is also a sexual and virility symbol (“Surfers do it standing up”). See Captain, Admiral.... Little Giant Encyclopedia
To dream of waves, is a sign that you hold some vital step in contemplation, which will evolve much knowledge if the waves are clear; but you will make a fatal error if you see them muddy or lashed by a storm. See Ocean and Sea.... Ten Thousand Dream Interpretation
The waves in dreams may represent emotional fluctuations.
If you are currently experiencing a period of tranquillity and peace, you may be dreaming about calm waters and gentle ocean waves. This dream suggests that you may be gathering energy and recharging emotionally. However, more commonly people dream of violent and dangerous tidal waves. Tidal waves or tsunamis suggest a period of emotional upheaval. Anxiety, stress, and unconscious materials may be coming to the surface and affecting your daily moods. Giant tidal waves may symbolize current emotional unhappiness and psychological stress, which are threatening to destroy you.
The outcome of this dream may reveal how much strength you have to “ride out” personal storms.
For example, surviving the tidal wave suggests that you have enough strength to overcome challenges and drowning that you may be “in it over your head” and should seek assistance.... The Bedside Dream Dictionary
When dreaming of waves, notice the type of wave. Calm, clear waves indicate inner peace of mind. You are in touch with your emotions and are stable. Calm waves may also foreshadow upcoming decisions in your waking life. Crashing waves, especially when heard, indicates your sexual nature and your need to be loving and tender with your significant other. Violent, unclear waves imply you have made a poor choice regarding an important matter. Finally, if you are caught in an undertow or tidal wave, you have been holding yourself back. Something in your waking life has brought unshed tears to your eyes, what is it?... Dream Symbols and Analysis