Coastal Flood Advisory
Coastal Hazard Message
National Weather Service San Francisco CA
903 AM PDT Tue Sep 8 2026
CAZ006-506-508-529-530-090700-
/O.NEW.KMTR.CF.Y.0010.260909T0300Z-260910T0800Z/
San Francisco-North Bay Interior Valleys-
San Francisco Bay Shoreline-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
903 AM PDT Tue Sep 8 2026
...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO
1 AM PDT THURSDAY...
* WHAT...Up to 1.2 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal waterways.
* WHERE...Bayshore locations along the San Francisco Bay, San
Pablo Bay, and Monterey Bay.
* WHEN...From 8 PM this evening to 1 AM PDT Thursday.
* 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 1.2 ft above normal (6.99 ft MLLW) at 9:59 PM
Tuesday 9/8 and 1.0 ft above normal (6.79 ft MLLW) at 10:54 PM
Wednesday 9/9. These predictions include up to 0.6 ft 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.
&&
$$