Swimmers and beachgoers were advised to remain on alert on Wednesday and, in some places, avoid going into the ocean.

California's entire coastline was at risk for dangerous conditions, prompting experts to advise people to stay out of the ...

(KTLA) – Bizarre sea creatures that resemble jellyfish have returned to Southern California waters a ... wind and take them across the globe. Ocean currents and winds move the creatures from ...

The NWS warns that sneaker waves can reach much further up beaches and over rocks and jetties than expected. These waves can ...

As winds churn up cold water off the Southern California coast, sediment rich in nutrients is swirled up from the ocean floor and becomes feed for smaller creatures in the water who are eaten by ...

(KABC) -- Scientists say sea life off the coast of Southern California is in danger of being ... "We know that we've changed our ocean's chemistry through ocean acidification and the burning ...

The Tijuana River sewage crisis may be contributing to the current toxic algae bloom off the coast of Southern California, as the added nutrient load from the pollution is fueling the growth of ...

Whales of all kinds travel the so-called whale superhighway off the Southern California coast. Experts say the ... Upwellings of cold deep currents, full of shrimp and krill create an underwater ...

In the last decade, several incidents of extreme ocean temperatures have occurred off the coast of California, commonly referred to ... maps show temperatures above normal in orange and red. “Current” ...