EXPIRED / ARCHIVED — This alert is no longer active and is maintained for historical record only.
Go here for
Active Alerts.
COASTAL FLOOD ADVISORY
COASTAL FLOOD ADVISORY ISSUED OCTOBER 9 AT 3:16PM PDT UNTIL OCTOBER 13 AT 3:00PM PDT
Effective: 2026-10-09 15:16:00 [EXPIRED]
Expires: 2026-10-13 15:00:00
Issued by: NWS San Francisco CA
Alert Text
* WHAT...UP TO 1.4 FT OF INUNDATION ABOVE GROUND LEVEL ISPOSSIBLE IN LOW-LYING AREAS NEAR SHORELINES AND TIDAL WATERWAYS.
* WHERE...BAYSHORE LOCATIONS ALONG THE SAN FRANCISCO AND MONTEREY BAYS.
* WHEN...FROM 9 AM FRIDAY TO 3 PM PDT TUESDAY.
* IMPACTS...FLOODING OF LOTS, PARKS, AND ROADS WITH ONLY ISOLATED ROAD CLOSURES EXPECTED. HIGH TIDES WILL RESULT IN FLOODING ALONG COASTAL TRAILS, CUT OFF ACCESS TO SOME LOW- LYING BEACHES AND COASTAL AREAS, AND BRING WATER AND WAVES FARTHER UP THE BEACH THAN TYPICAL.
* ADDITIONAL DETAILS...AT THE SAN FRANCISCO TIDAL GAUGE, HIGH TIDE IS EXPECTED TO BE 1.4 FT ABOVE NORMAL (7.3 FT MLLW) AT 11:50 AM SATURDAY 10 10, 1.4 FT ABOVE NORMAL (7.3 FT MLLW) AT 12:18 PM SUNDAY 10 11, 1.2 FT ABOVE NORMAL (7.1 FT MLLW) AT 12:46 PM MONDAY 10 12, AND 1.1 FT ABOVE NORMAL (7.0 FT MLLW) AT 1:14 PM TUESDAY 10 13. THESE PREDICTIONS INCLUDE UP TO 1.2 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.
More Information
Target Area
SAN FRANCISCO BAY SHORELINE
EXPIRED / ARCHIVED — This alert is no longer active and is maintained for historical record only.
Go here for
Active Alerts.
🔔 Sign-up to receive real-time severe weather alerts via email or text —
subscribe