Seal Beach PCH Flood Closure October 27: Caltrans Lists Warner Avenue to Seal Beach Boulevard

SEAL BEACH, Calif. — October 27, 2026. Drivers along the Orange County coastline encountered significant flood-related restrictions Tuesday as seawater reached Pacific Coast Highway (State Route 1). Caltrans’ October 27 road information included a closure between Warner Avenue and Seal Beach Boulevard, affecting the approach between Huntington Beach’s Sunset Beach neighborhood and Seal Beach.

What the highway closure meant

Reports drawing on Caltrans updates indicated a closure in both directions around 10:30 a.m., while northbound restrictions also affected a stretch from Seapoint Street to Warner Avenue farther south. The precise posted limits changed during the day. This report documents the October 27 disruption; check today’s actual road status before attempting a trip.

These restrictions occurred amid an NWS Coastal Flood Warning for the Orange County coastline through 1 p.m. Thursday, October 29. Even without heavy rain, extremely high tides can push seawater into streets, parking lots and low-elevation coastal routes.

Plan ahead for another high tide

Use Caltrans QuickMap or the SR 1 road report for current closures and posted detours. Follow road barricades, protect vulnerable property where conditions permit and never drive into water of unknown depth. Conditions in Seal Beach may differ from those recorded at Balboa Peninsula or Huntington Harbour.

For an adjacent-city account of the same day’s flooding and kayak footage, see California58’s Huntington Beach flooding report. For residents who need flood updates, consult Orange County’s emergency communications and city notifications.

Sources: Caltrans SR 1 road conditions, October 27 reports; NWS Orange County Coastal Flood Warning; Patch, October 27 Caltrans closure timing.

Closure details reflect reports at specified times, not continuous real-time availability.

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