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NOAA's National Weather Service
 Each location shows all alerts on one page 
WARNINGS - WATCHES - ADVISORIES - STATEMENTS 
Updates every 15 Minutes 
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| 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.  | 
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| 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.  | 
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