If you're unfamiliar, San Diego beaches periodically see bioluminescent waves that glow blue in the surf or when agitated. The bioluminescence is caused by blooms of tiny marine algae — a phenomenon known as a red tide.
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According to the Scripps Institute of Oceanography, there is no public health warning associated with the red tide. So far, enthusiasts shared photos of the bioluminescence from several hotspots including Huntington Beach, Sunset Beach, Laguna Beach, Bolsa Chica State Beach, Long Beach Harbor and El Morro/Crystal Cove.
Track Hotspots.The environmental website Treehugger named San Diego one of the world's eight best places to see bioluminescent glows. Meanwhile, north of San Francisco at Point Reyes National Seashore, Tomales Bay is a dependable spot for bioluminescence and you can go out on guided trips with Blue Waters Kayaking.
1. Mosquito Bay, Puerto Rico. Hidden on the southern coast of Vieques, off the east coast of mainland Puerto Rico, this narrow inlet widens into a dolphin-shaped bay of mangroves that protects the brightest occurrence of bioluminescence in the world according to Guinness World Records.
1. Mosquito Bay, Puerto Rico. Hidden on the southern coast of Vieques, off the east coast of mainland Puerto Rico, this narrow inlet widens into a dolphin-shaped bay of mangroves that protects the brightest occurrence of bioluminescence in the world according to Guinness World Records.
The bioluminescence waves, which turn the ocean red during the day and glow neon blue night, have been reported being seen at multiple California city coasts including Newport Beach, Laguna Beach, Oxnard, Malibu, and San Diego coastlines over the past week.
Things like bioluminescent algae that twinkle along the seascape can poison sea life from fish to sea turtles and can make humans very sick if they come into contact with it, so swimming is not advised. What is this?