Coastal Flood Advisory

Coastal Hazard Message
National Weather Service Charleston SC
138 PM EDT Sat Aug 23 2025

SCZ052-240145-
/O.EXB.KCHS.CF.Y.0016.250823T2200Z-250824T0400Z/
Tidal Berkeley-
138 PM EDT Sat Aug 23 2025

...COASTAL FLOOD ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT EDT TONIGHT...

* WHAT...Up to one half foot of inundation above ground level
  expected along shorelines and tidal waterways (8.0 to 8.2 feet
  Mean Lower Low Water at Charleston).

* WHERE...Southern Berkeley County including Daniel Island.

* WHEN...From 6 PM this evening to midnight EDT tonight.

* IMPACTS...Water may cover some roads and encroach on yards on
  Daniel Island.

* ADDITIONAL DETAILS...High tide will occur around 9:04 PM today
  at Charleston. Saltwater inundation will be possible 1 to 2
  hours before and after high tide.

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.

Visit water.weather.gov for additional water level and flood
impact information.

&&

Time of high total tides are approximate to the nearest hour.

Tidal Berkeley SC
MLLW Categories - Minor 8.0 ft, Moderate 8.5 ft, Major 9.0 ft
MHHW Categories - Minor 2.2 ft, Moderate 2.7 ft, Major 3.2 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Waves    Flood
            ft MLLW    ft MHHW       ft       ft      Impact
 --------  ---------  ---------  ---------  -------  --------
 23/09 PM     8.1        2.3        2.0       N/A     Minor
 24/09 AM     7.0        1.2        1.5       N/A      None
 24/09 PM     6.8        1.0        1.0       N/A      None
 25/10 AM     6.2        0.4        0.6       N/A      None
 25/10 PM     6.3        0.5        0.6       N/A      None
 26/11 AM     6.1        0.3        0.5       N/A      None

&&

$$