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Updated:November 4, 2025 4:16 am PST

Coastal Flood Advisory COASTAL FLOOD ADVISORY  
Alameda County

  Effective: Tue, 11/4 2:34am Severity: Minor
  Updated: November 4, 2025 4:16 am Urgency: Expected
  Expires: Wed, 11/5 3:00am 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 areas near shorelines and tidal
waterways.

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

* WHEN...From 8 AM Tuesday to 2 PM PST Saturday.

* 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 0.7 ft above normal (6.6 ft MLLW) at
9:42 AM Tuesday, 1.0 ft above normal (6.9 ft MLLW) at 10:18 AM
Wednesday, 1.2 ft above normal (7.0 ft MLLW) at 10:58 AM
Thursday, 1.1 ft above normal (7.0 ft MLLW) at 11:42 AM
Friday, and 0.9 ft above normal (6.7 ft MLLW) at 12:31 PM
Saturday. High tide timing varies up to 90 minutes earlier or
later along the coast and throughout the Bay respectfully.

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.
Wind Advisory WIND ADVISORY  
Alameda County

  Effective: Tue, 11/4 3:13am Severity:  Moderate 
  Updated: November 4, 2025 4:16 am Urgency: Expected
  Expires: Tue, 11/4 11:15am Certainty: Likely

Areas Affected: San Francisco - Sonoma Coastal Range - North Bay Interior Mountains - North Bay Interior Valleys - San Francisco Bay Shoreline - San Francisco Peninsula Coast - East Bay Interior Valleys - Santa Cruz Mountains - East Bay Hills
 
Alert Details:
* WHAT...South winds 15 to 25 mph with gusts up to 45 mph expected.

* WHERE...The East Bay and San Francisco Bay Shoreline, North Bay
Interior Mountains and Valleys, The Santa Cruz Mountains, San
Francisco, and San Francisco Peninsula Coast.

* WHEN...From 10 PM this evening to 4 PM PST Wednesday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.

Information:
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

Secure loose outdoor objects that could be blown around or damaged
by the wind.