< California Coastal Flood Advisory | Effective 05/17/2026 06:34

California Coastal Flood Advisory | Effective 05/17/2026 06:34

Headline: 
Coastal Flood Advisory issued May 17 at 6:34AM PDT until May 19 at 3:00AM PDT by NWS San Francisco CA
Event: 
Coastal Flood Advisory
Urgency: 
Expected
Effective: 
May 17, 2026 - 6:34am
Expires: 
May 17, 2026 - 11:00pm
Description: 
* WHAT...Up to 1.0 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. * WHEN...Until 3 AM PDT Tuesday. * 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: 1.0 ft above normal (6.80 ft MLLW) at 12:17 AM Monday 5/18 0.8 ft above normal (6.66 ft MLLW) at 1:07 AM Tuesday 5/19 High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Instruction: 
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.
Area Description: 
North Bay Interior Valleys
Forcast Office: 
NWS San Francisco CA