FloodZoneMap.org

Flood — San Francisco, CA

Jan 17, 2019

A moderate to strong atmospheric river impacted much of California in the middle of the month. A weak surface low developed off the coast on January 15th bringing moderate to heavy rainfall to portions of the region. Over the next 24 to 36 hours a second strong low pressure system moved to the north and east bringing heavy rain, destructive winds, high surf, flooding, and thunderstorms to the Bay Area. Numerous reports were received of downed trees and power lines. Winds were recorded between 60

Source: NOAA National Weather Service Storm Events Database (event 797384). Narrative written by NWS staff at the time of the event.

Flood Risk Context for San Francisco, CA

This event is one of many recorded floods in San Francisco County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View San Francisco County flood data →

More Flood Stories

Storm Surge/Tide1 death

San Francisco, CA · Nov 15, 2020

King Tides returned to the region in on the 15th and 16th of the month. High tide at San Francisco reached 6.9 feet above sea level Sunday morning. Minor roadway flooding was observed in Sausalito. These high tides also brought rough seas to the coast.

Read the full account →
Flood

San Francisco, CA · Dec 22, 2025

A series of storm systems impacted the Bay Area and Central Coast from December 19 to 25th, impacting Christmas holiday travel across the region. The most impactful systems arrived on Christmas Eve and Christmas Day.

Read the full account →
Flood

San Francisco, CA · Dec 25, 2025

A series of storm systems impacted the Bay Area and Central Coast from December 19 to 25th, impacting Christmas holiday travel across the region. The most impactful systems arrived on Christmas Eve and Christmas Day.

Read the full account →
Flood

San Francisco, CA · Feb 4, 2024

A rapidly intensifying cyclone and atmospheric river combined from February 3rd to the 5th, creating a period of strong winds, heavy rain, and high surf. The entire region saw numerous impacts including roadway flooding, fallen trees, and power outages.

Read the full account →