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Updated:December 7, 2025 2:01 pm PST

Coastal Flood Advisory COASTAL FLOOD ADVISORY  
Sonoma County

  Effective: Sun, 12/7 12:13pm Severity: Minor
  Updated: December 7, 2025 2:01 pm Urgency: Expected
  Expires: Sun, 12/7 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 1.1 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 this afternoon.

* 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 1.1 ft above normal (6.92 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.