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Updated:December 6, 2025 5:31 am PST

Coastal Flood Advisory COASTAL FLOOD ADVISORY  
Santa Clara County

  Effective: Sat, 12/6 4:45am Severity: Minor
  Updated: December 6, 2025 5:31 am Urgency: Expected
  Expires: Sat, 12/6 3:00pm Certainty: Likely

Areas Affected: San Francisco - North Bay Interior Valleys - San Francisco Bay Shoreline - Northern Monterey Bay - Southern Monterey Bay and Big Sur Coast
 
Alert Details:
* WHAT...Up to 1.7 ft of inundation above ground level is
possible in low lying areas near shorelines and tidal
waterways.

* WHERE...Bayshore locations along San Francisco and Monterey
Bay.

* WHEN...Until 3 PM PST Sunday.

* IMPACTS...Flooding of lots, parks, and roads with only isolated
road closures expected.

* ADDITIONAL DETAILS...The San Francisco tidal gauge high tide is
expected to be 1.7 ft above normal (7.51 ft MLLW) at 11:25 AM
Saturday and 0.9 ft above normal (6.75 ft MLLW) at 12:17 PM
Sunday. High tide timing varies up to 90 minutes earlier or
later along the Pacific Coast and throughout the San Francisco
Bay respectively.

Information:
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.