Public Safety · San Francisco County
Coastal Flood Advisory in Effect Oct. 24–29 for Northern California
The NWS San Francisco issued a coastal flood advisory Friday at 12:45 p.m., valid from Saturday, Oct. 24 at 8 a.m. through Thursday, Oct. 29 at 3 p.m. The advisory covers North Bay Interior Valleys, San Francisco Bay Shoreline, Northern Monterey Bay, Big Sur, and San Francisco County, with up to 1.9 feet of inundation possible in low-lying areas near shorelines and tidal waterways. High tides are expected to exceed normal levels by 1.1 to 1.9 feet across the advisory period, enhanced by up to 1 foot of surge. Officials warn of flooding of low-lying infrastructure, isolated road closures, coastal erosion, and restricted beach access, urging residents in flood-prone areas to move to higher ground.