May 20, 2026
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    HALF MOON BAY – Visitors heading to the San Mateo County coast this week will see electronic message boards promoting beach and ocean safety as local agencies launch a coordinated public awareness campaign ahead of Memorial Day weekend.

    Beach Safety Flyer

    The campaign encourages visitors to:

    • Stay off rocks and never turn your back on the ocean; powerful waves can suddenly sweep people into the water.
    • Stay alert at the beach and keep children within arm’s reach at all times.
    • Know the risks even on calm days. Sudden large waves and strong currents can pull swimmers away from shore.
    • Allow extra time when traveling to and from the coast and prepare for increased traffic. Drive sober, eliminate distractions and drive safely.

    The effort is being coordinated by the County of San Mateo, City of Half Moon Bay, CAL Fire and the San Mateo County Sheriff’s Office.

    While the San Mateo County coastline is known for its scenic beaches and dramatic cliffs, conditions can change rapidly. Cold water temperatures, powerful surf, and unpredictable ocean conditions can create serious hazards for visitors.

    If you see someone in need of assistance, call 9-1-1 immediately.

    Residents and visitors are encouraged to follow and share beach safety messages on social media platforms including Facebook, Instagram, Nextdoor and other platforms.

    Media Contacts

    San Mateo County Sheriff’s Office
    Gretchen Spiker, Director of Communications

    gspiker@smcgov.org
    650-670-6766

    City of Half Moon Bay
    Marijose Alvarado, Public Communications

    malvarado@halfmoonbay.gov
    650-726-8254