The blue glow is caused by a common species of plankton.
Bioluminescent waves lend ethereal glow to California shoreline
Dolphins glow as they glide through bioluminescent waves in California - VIDEO - ABC7 San Francisco
Neon blue waves move to South OC, South Bay, here are tips on how to view, shoot images – Orange County Register
Glow-in-the-Dark Waves Light Up Santa Cruz Beach - Active NorCal
Glow-in-the-Dark Waves Light Up Santa Cruz Beach - Active NorCal
Phytoplankton light up the waves at Santa Cruz County beach
Dolphins glow as they glide through bioluminescent waves in California - VIDEO - ABC7 San Francisco
Watch: Unbelievably Bright Bioluminescent Waves Light Up Orange County Surf Spots - Surfer
Bioluminescence in San Diego: Bioluminescent Waves To See
Neon Glow From Below – Beachcombing Magazine
Glowing plankton create 'electric blue waves' of light along Pacific coast - National
Bioluminescent waves glow in the dark at Santa Cruz County beach
Bioluminescence Comb Jelly Night Tour Paddle Board and Kayak
Glittering Tides: Where to Spot Bioluminescence in the Bay Area
Another Wave Of Mesmerizing Bioluminescence Is Lighting Up CA Shores - Secret Los Angeles