Surf ability rough guide
Beginner: white water, basic turns white water.
Improver: small green waves (waist to chest high), basic trims, starting basic green wave turns.
Intermediate: turns on green waves, backhand and forehand, experience in overhead surf, duck dives and good water awareness.
Advanced: floaters, snaps, roundhouse cuties, experience in overhead waves.
Pro: All of above with technical tricks, air reverses, etc. comfortable in very big surf.