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Coastal Flood Advisory

Status

Event Extended (Time) Expired

Start Time

Sun 01/04/2026 04:35 AM EST

End Time

Mon 01/05/2026 06:00 PM EST

Significance

Advisory

Impacts

Low impact

Locations Affected

Oakland, CA ∙ San Francisco, CA ∙ Fremont, CA ∙ Santa Rosa, CA ∙ Hayward, CA ∙ Sunnyvale, CA ∙ Richmond, CA ∙ Berkeley, CA ∙ San Mateo, CA ∙ Daly City, CA

Full Alert Message

Coastal Hazard Message National Weather Service San Francisco CA 135 AM PST Sun Jan 4 2026 ...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 3 PM PST MONDAY... * WHAT...Up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. * WHERE...Areas adjacent to the San Francisco and San Pablo Bays. * WHEN...Until 3 PM PST Monday. * 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: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. 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.

Technical Header

CAZ506-508-042200- /O.EXT.KMTR.CF.Y.0001.000000T0000Z-260105T2300Z/ North Bay Interior Valleys-San Francisco Bay Shoreline- 135 AM PST Sun Jan 4 2026