Another round of rain made its way to the Bay Area and is bringing more dangerous waves to coastal areas.
A high surf advisory is in effect through 4 p.m. Sunday, according to the National Weather Service. Swimming and surfing conditions will be considered dangerous and localized beach erosion is expected.
Friday's forecast calls for highs in the upper 50s to low 60s around the bay, and mostly low 60s on the coast and inland. Overnight lows will be mostly in the 50s, with some areas dropping into the high 40s.
Forecasters say multiple rain systems will move across northern California, bringing periods of rain to the region.
A second push of northwest swell is projected to arrive in the coastal waters, leading to a second round of dangerous surf and beach conditions, the NWS says.
The high surf advisory is for San Francisco; the coastal North Bay, including Point Reyes National Seashore; the San Francisco Peninsula coast; northern Monterey Bay; southern Monterey Bay; and the Big Sur coast.
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During high surf conditions, waves can seem to come out of nowhere and sweep across the beach, pulling people into the ocean from rocks, jetties and beaches, NWS said.
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People should never turn their backs on the ocean and keep themselves and pets away from dangerous conditions.