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NewsSanta Monica MirrorOctober 25, 2026Los Angeles County

National Weather Service issues coastal flood advisory for Westside beaches

Photo: Santa Monica Mirror

The National Weather Service Los Angeles issued a coastal flood advisory warning of abnormally high ocean tides from 7.5 to 8 feet that will swamp Westside beaches, bike paths, and parking lots starting Sunday at 5 a.m. through Thursday afternoon. The conditions threaten erosion and flooding from Malibu to Dockweiler Beach, with the worst impacts expected during morning high tides from Monday through Wednesday. In response to rising water levels, Metrolink halted Orange County Line train service south of Laguna Niguel for the week.

WeatherPublic SafetyTransportationInfrastructureEnvironment
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Why It Matters

Residents and commuters face potential property damage, transit suspensions, and hazardous travel conditions along coastal areas from Malibu to Dockweiler Beach as ocean waters climb more than a foot above normal projections.

Key Facts

  • The National Weather Service Los Angeles issued a coastal flood advisory for Westside beaches from Malibu to Dockweiler Beach.
  • Abnormally high ocean tides will reach between 7.5 and 8 feet, which is more than a foot above normal projections.
  • The advisory is in effect starting Sunday at 5 a.m. and extends through Thursday afternoon.
  • The worst flooding is expected to hit during morning high tides from Monday through Wednesday.
  • Vulnerable low-lying beach lots, coastal bike trails, and pedestrian paths face pooling water, particularly in Malibu, Venice, Santa Monica, Playa del Rey, and Dockweiler Beach.
  • Moderate to significant beach erosion is likely to scrape away sandbars, with isolated structural damage possible along fragile shorelines.
  • Conditions could prompt upgraded flood warnings on Wednesday or Thursday if larger ocean swells materialize.
  • Metrolink halted Orange County Line train service south of Laguna Niguel for the week due to rising ocean water levels.
  • The National Weather Service cautioned drivers never to drive around road barricades or through standing water, and urged pedestrians to stay off flooded paths during peak morning tides.

Who's Mentioned

OrganizationMetrolink“Halted Orange County Line train service south of Laguna Niguel”locationLaguna Niguel“Southern terminus for active Orange County Line train service”OrganizationNational Weather Service Los Angeles“Issued the coastal flood advisory”locationPlaya del Rey“Coastal area facing potential pooling water”locationDockweiler Beach“Southern boundary of the flood advisory”locationMalibu“Northern boundary of the flood advisory”locationVenice“Coastal area facing potential pooling water”locationSanta Monica“Coastal area facing potential pooling water”