Video from Newport Beach shows a man and his dog enjoying the bioluminescent waters.
The phenomena occurs when millions of tiny organisms such as plankton get disturbed.
This is the second time the blue waves have been spotted this year. We saw the brilliant blue waters in March in the Laguna Beach area.
RELATED | Laguna Beach waves glow blue from bioluminescence
VIDEO | Dolphins glow as they swim in bioluminescent waves in Newport Beach
RELATED | What is bioluminescence? Expert explains the phenomenon
VIDEO | Surfers ride glowing bioluminescent waves of SoCal coasts