Red tide toxins can also poison seafood and harm people, pets, fish and seabirds

By Miriam Raftery

Map, left:  Forecast for Saturday, July 1

June 29, 2023 (San Diego) – A red tide containing a toxic algae bloom that has sickened and killed hundreds of sea lions and dolphins off the California coast is forecast to reach San Diego’s beaches as early as tomorrow. By Saturday, July 1^st, the red tide will be impacting all San Diego beaches, with levels of the potent neurotoxin domoic acid at double the 500 nanograms per liter considered harmful.

That’s according to the California Department of Fish & Wildlife, which issued a press advisory today with this forecasting tool.