California’s shoreline is bracing for a double hit this winter and six locations, from San Luis Obispo to Humboldt Bay, are dealing with an enhanced flooding and erosion threat.

According to a new research launched by UC Davis these key geographic hotspots are possible to witness a loss of seashores, shoreline property harm, bluff instability, and short-term or everlasting infrastructure destruction.

According to the research, this excessive climate is pushed by a foot of sea-level rise from local weather change, alongside what could be the strongest El Niño on document. 

Waves crash alongside Balboa Peninsula in Newport Beach, Calif., on Tuesday, Oct. 27, 2026. Jon Putman for CA Post

The six areas dealing with the greatest flood and erosion threat are:

“All the problems we are seeing now were predicted years ago and we should not be surprised when they start happening,” Fraser M. Shilling, Director Road Ecology Center, UC Davis, said in the research.

An japanese Pacific “Kelvin wave” paired with storm tracks that frequently shove water inland has already uncovered Southern California to highly effective surf, excessive tides, and historic flooding, the research said. 

An aerial view reveals Seal Rock, Santa Cruz and Pier in California on Wednesday, April 3, 2024. Visions of America/Universal Images Group via Getty Images

Experts warn that stacking these elevated base sea ranges with open-coast swells and inland runoff will set off extreme flooding and accelerated erosion statewide. REUTERS

Researchers warn that the risk is far from theoretical. In the winter of 2019, atmospheric river storms pushed coastal waters up by almost 10 inches, shutting down Highway 37 in the North Bay during an otherwise weak El Niño, the research famous. 

“It is possible that the beach flooding in Southern California is resulting in irreversible damage to the beaches of Long Beach and Newport Peninsula areas which even extensive riprap and sand augmentation won’t solve,” Shilling added.

Experts warn that stacking these elevated base sea ranges with open-coast swells and inland runoff will set off extreme flooding and accelerated erosion statewide.

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