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San Clemente's beaches are washing away under pounding late-summer Pacific storms, threatening a critical coastal rail line, beachfront homes and the future site of Olympic surfing, as scientists warn a potentially historic El Niño season is just beginning.

What is a key fact in this story? (1)

**San Clemente's beaches** are rapidly narrowing as late-summer Pacific storms devour the shoreline, with USGS oceanographer Sean Vitousek warning a potentially historic 'Super El Niño' overlapping with a Kelvin wave could deliver 'exceptional erosion events' across southern California.

What is a key fact in this story? (2)

**The coastal rail line running along San Clemente** — which carries $1bn in freight a year and is the nation's second-busiest passenger rail line — has been shut down seven times since 2021, with cumulative closures now exceeding one year over the past five years, per the Orange County Transportation Authority.

San Clemente's Beaches Wash Away, Threatening Coastal Rail — SkimNews

By The Guardian Environment · Summarized & edited by Kapil Samant · 2026-10-18

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San Clemente's beaches are rapidly narrowing as late-summer Pacific storms devour the shoreline, with USGS oceanographer Sean Vitousek warning a potentially historic 'Super El Niño' overlapping with a Kelvin wave could deliver 'exceptional erosion events' across southern California.
The coastal rail line running along San Clemente — which carries $1bn in freight a year and is the nation's second-busiest passenger rail line — has been shut down seven times since 2021, with cumulative closures now exceeding one year over the past five years, per the Orange County Transportation Authority.
Cameron Cosgrove, a retired IT executive, authored a November ballot measure asking San Clemente voters to impose a voluntary 1% sales tax to fund beach restoration and wildfire prevention, with much of the revenue aimed at replacing an estimated 4m to 6m cubic yards of sand the city has lost.
Dana Point's Labor Day storm damage left 10 coastal homes red-tagged as uninhabitable and caused an estimated $33m in private property damage plus $25m in damage to the public beach, according to Republican Mayor John Gabbard.
California scientists warned in 2023 that climate-driven sea level rise could erase between 25% and 75% of the state's beaches by 2100.
An estimated 38% of southern California's coastline is now armored with sea walls, revetments or rock piles — up from just 2.5% half a century ago — even as experts warn armoring accelerates beach loss.

Why it matters: The rail shutdowns hit a corridor carrying $1bn in annual freight and the nation's second-busiest passenger line, while San Clemente's November ballot measure will test whether even Trump-leaning coastal voters will self-tax to save their beaches. The Lower Trestles surf venue, already slated for the 2028 Olympics, sits in the same erosion zone now chewing up the tracks.