The National Weather Service has issued a high surf advisory starting Tuesday night due to an incoming swell that is expected to create waves up to 20 feet high.

The advisory is expected to last from 10 p.m. Tuesday until 4 a.m. Thursday.

A long, large swell will impact the northern and central coast beginning Tuesday night, according to the National Weather Service.

It will create powerful waves up to 20 feet high and strong rip currents in the surf zone.
Beach goers are advised to use caution and watch out for sneaker waves in addition to strong currents and localized beach erosion.

San Francisco, Santa Cruz, San Mateo, Marin, Monterey, Contra Coast, Napa, Sonoma, Santa Clara and Alameda counties are affected by the surf advisory.

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