Active Weather Alerts
Coastal Flood Advisory
Issued: 6:21 AM Sep. 4, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY IN EFFECT FROM 4 PM TO 9 PM PDT FRIDAY... * WHAT...Up to 0.7 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore locations along the San Pablo Bay in Marin, Sonoma, and Napa counties. * WHEN...From 4 PM to 9 PM PDT Friday. * IMPACTS...Minor 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 (6.5 ft MLLW) at 5:27 PM 9/4. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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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