SAN FRANCISCO (CBS SF) — Visitors at Northern California beaches should be especially vigilent over the next 48 hours after a warning from the National Weather Service (NWS).

Between 10 a.m. Wednesday and 4 p.m. Thursday, there may be dangerous sneaker waves, rip currents and moderate to large breaking waves, according to a NWS Beach Hazards Statement.

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(National Weather Service)

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The NWS warns of hazardous conditions at coastal beaches from Big Sur to Santa Rosa County, including Ocean Beach, Montara State Beach, Marina State Beach and Monastery Beach.

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Weather officials say beachgoers should stay off coastal jetties, never turn their back to the ocean and keep close watch over kids and pets.