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Updated:January 5, 2026 1:16 am PST

Coastal Flood Advisory COASTAL FLOOD ADVISORY  
Alameda County

  Effective: Sun, 1/4 9:36pm Severity: Minor
  Updated: January 5, 2026 1:16 am Urgency: Expected
  Expires: Mon, 1/5 5:45am Certainty: Likely

Areas Affected: North Bay Interior Valleys - San Francisco Bay Shoreline
 
Alert Details:
* WHAT...Up to 1.2 ft of inundation above ground level is
possible in low-lying near shorelines and tidal waterways.

* WHERE...Areas adjacent to the San Francisco and San Pablo Bays.

* WHEN...Until 3 PM PST Monday.

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

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be: 1.2 ft above normal (7.0 ft MLLW) at 12:08 PM
Monday 1/5. High tide varies up to 90 minutes earlier or later
along the Pacific Coast and through 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.