Scuba Diving dream meaning is explained below using 2 different sources. Each interpretation is shown with its source.

Interpretation 1 — Dr. Mıchael Lennox

The ocean represents our deep unconscious mind. Just as with the unconscious, there are realms of the ocean that are available for exploration if you are prepared properly to dive beneath the surface. Scuba diving is the symbolic experience of investigating elements of your own unconscious mind that are generally hidden and out of view, but are accessible through various means of self-investigation.
Source: Complete Dictionary of Dreams Author: Dr. Mıchael Lennox

Interpretation 2 — myjellybean

To dream of scuba diving in clear water, signifies an end to an embarrassing situation. Although you may experience some temporary setbacks, things will surely look up. This dream can also mean that you are trying to get to the bottom of a current situation.

If you can’t see ahead of you while you are diving, you will suffer anxiety from an unsatisfying friendship.

Source: My Dream Interpretation Author: myjellybean