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Updated:June 23, 2025 10:45 am PDT

Coastal Flood Advisory COASTAL FLOOD ADVISORY  
Napa County

  Effective: Mon, 6/23 7:09am Severity: Minor
  Updated: June 23, 2025 10:45 am Urgency: Expected
  Expires: Tue, 6/24 1:00am Certainty: Likely

Areas Affected: San Francisco - North Bay Interior Valleys - San Francisco Bay Shoreline
 
Alert Details:
* WHAT...Minor coastal flooding expected during nocturnal high
tide.

* WHERE...Bayshore locations along the San Francisco Bay and San
Pablo Bay.

* WHEN...From 8 PM this evening to 1 AM PDT Tuesday.

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

* ADDITIONAL DETAILS...Low lying areas within the San Francisco
Bay Area may see minor coastal flooding as a result during
nocturnal high tide. San Francisco high tide is 7.03 ft at
10:08 PM Monday.

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.