Coastal Flood Advisory
Status
New Event Active alertStart Time
Mon 10/26/2026 12:00 PM EDTEnd Time
Thu 10/29/2026 06:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Tamalpais Valley, CA ∙ Pacifica, CA ∙ Bodega Bay, CA ∙ Point Reyes Station, CA ∙ Sausalito, CA ∙ Lobitos, CA ∙ Jenner, CA ∙ Dillon Beach, CA ∙ Muir Woods National Monument, CA ∙ Half Moon Bay Airport, CAFull Alert Message
Coastal Hazard Message National Weather Service San Francisco CA 1245 PM PDT Fri Oct 23 2026 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 AM MONDAY TO 3 PM PDT THURSDAY... * WHAT...Up to 1.9ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Pacific Coast. * WHEN...From 9 AM Monday to 3 PM PDT Thursday. * IMPACTS...High tides will result in flooding of low-lying infrastructure, isolated road closures, and coastal erosion. Rising tides will bring water and waves farther up the beach than normal, restricting escape from beaches and coastal areas. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.7 ft above normal (7.5 ft MLLW) at 11:39 AM Monday 10/26, 1.8 ft above normal (7.6 ft MLLW) at 12:15 PM Tuesday 10/27, 1.9 ft above normal (7.7 ft MLLW) at 12:56 PM Wednesday 10/28, and 1.7 ft above normal (7.5 ft MLLW) at 01:43 PM Thursday 10/29. These predictions include up to 1.0 ft of 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
CAZ505-509-241200- /O.NEW.KMTR.CF.Y.0014.261026T1600Z-261029T2200Z/ Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast- 1245 PM PDT Fri Oct 23 2026