Full Breakdown
Record-High Tides Trigger Widespread Coastal Flooding in Southern California
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Core Event
A coastal flood advisory that began Sunday morning covers the Southern California shoreline through Thursday afternoon. The National Weather Service (NWS) warned that high tides will reach 7.5 – 8 feet, up to 1.5 feet above astronomical predictions, producing minor to moderate flooding, beach erosion, and the possibility of “upgraded warnings” in vulnerable spots. The advisory applies to Orange and San Diego counties (flood warnings) and to Los Angeles, Ventura, Santa Barbara and San Luis Obispo counties (flood advisories).
At the Surf & Sand Resort in Laguna Beach, staff moved all guests off the first floor as pounding surf threatened the beachfront property.
Background & Context
The surge is driven by a rare convergence of factors:
- King-tide astronomical alignment – the 18.6-year lunar node cycle and the 4.4-year lunar perigee cycle are both at peak.
- Warm ocean conditions – an active El Niño and a multi-month marine heat wave have warmed surface waters, expanding seawater volume.
- Recent storm swells – hurricane-generated swells from Marie, Polo and Rachel have stripped sand from beaches.
Scientists cited by the Los Angeles Times note that the combination can push water levels beyond historic norms.
Data & Statistics
- Record benchmark: The all-time high at San Pedro is 7.93 ft, set on January 10 2005.
- Current observations: The NWS tide gauge in San Pedro recorded 8.02 ft—the highest since the agency’s 1923 archive. Newport Beach reported 8 ft on Sunday, with projections of 8.3 ft Monday, 8.5 ft Tuesday and Wednesday.
- Infrastructure spending: A $4 million emergency operation is reinforcing a 360-foot bluff near El Moro and Crystal Cove. Newport Beach approved a $1.5 million contract to move up to 200,000 cubic yards of sand from the Santa Ana River mouth onto its beaches. Long Beach’s Alamitos Bay dredging project totals $11.4 million and will relocate roughly 415,000 cubic yards of sand through February.
Official Statements & Responses
- Larry Manzo of Long Beach observed, “I’ve been down here since 2001. I’ve never seen it this bad.”
On-the-Ground Reports
Laguna Beach’s Surf & Sand Resort removed guests from ground-level rooms, citing “abundance of caution.”
In Long Beach, Annie Koury recounted, “All of a sudden, that water just came in, and I went to open the car and the water started going in the car. So I just closed the door.”
Residents of Huntington Harbour waded through several inches of water on October 25 2026, while crews continued sand-berm construction and pump operations.
Conflicting Reports & Gaps
- Tide height forecasts vary: some outlets cite a range of 7.5 – 8 ft, while others provide precise peaks of 8.3 – 8.5 ft. Both ranges are attributed to the NWS, but timing and magnitude differ among local agencies.
- Structural damage at the Surf & Sand Resort’s seawall has been circulated on social media, yet no independent verification has been reported.
Verbatim Quotes
- “There’s a reason they call it Beach Road… you got the Surf and Sand is now the surf and boulder, and the Beach Road is now—it’s definitely a rocky road,” — Blair Conklin, skimboarding champion
- “A foot and a half may not sound like much, but in a coastal community like ours, it can mean the difference between water staying below a seawall and water spilling into streets, garages and homes, especially during some of the highest tides of the year,” — Seimone Jurjis
These statements capture the lived experience of residents and the urgency expressed by officials as Southern California confronts an unprecedented tidal event.