Swells Destroyed Homes Across Southern California

A state of emergency was declared after hurricane-generated waves caused severe coastal damage.

Updated on Sept. 25, 2026 in Natural Disasters

Swells Destroyed Homes Across Southern California

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Should coastal communities in your area prioritize hardening infrastructure to prevent damage from rising tides?

Destructive ocean swells have damaged homes in Dana Point and created a sinkhole in Malibu. In response to the ongoing coastal erosion and flooding, California has declared a state of emergency.

Why it matters

The intersection of El Niño climate patterns and intense cyclone-generated swells has created hazardous conditions along the coast. This combination has exacerbated risks for residents in vulnerable coastal developments.

Official reports confirm that Southern California sea levels have risen 8 to 12 inches over the last century, while the current El Niño event may trigger an additional temporary rise of 6 to 12 inches. Dana Point officials have currently restricted or vacated 16 homes.

The players

State of California

The state government issued an official emergency declaration to mobilize disaster relief resources for affected coastal regions.

Hurricane Marie

This weather system generated severe coastal swells that caused significant beach erosion near the Santa Monica pier.

The details

Powerful swells generated by Eastern Pacific cyclones have eroded beaches and damaged infrastructure, leading to the cancellation of events like the Ocean Way Festival in Santa Monica. The flooding is linked to warming surface waters in the tropical Pacific, which are altering atmospheric circulation patterns.

June 2026: The current El Niño phenomenon emerged.
Labor Day weekend 2026: Hurricane Marie caused erosion in Santa Monica.
September 2026: California declared a state of emergency.
Early October 2026: A first major Kelvin wave is expected to reach California.
Early 2027: El Niño effects are expected to peak and continue through this period.

Seasonal Patterns

Coastal erosion currently impacts the region as it follows a historical pattern of heightened vulnerability when seasonal weather cycles intersect with the 18.6-year lunar nodal cycle. This event mirrors past instances where oceanic conditions created severe, recurring infrastructure challenges along the coast.

Residents in coastal areas should adhere to all occupancy restrictions and evacuation orders issued by local authorities to ensure physical safety. Homeowners and businesses are encouraged to monitor local emergency updates regarding potential hazards from incoming waves or coastal sinkholes.

The takeaway

The increased frequency of extreme wave events highlights the growing risk of coastal erosion for residents living in hazardous zones. Proactive monitoring of regional weather cycles is essential for mitigating future property loss in these vulnerable areas.