331
WHUS42 KCHS 231502
CFWCHS

Coastal Hazard Message
National Weather Service Charleston SC
1102 AM EDT Sat Aug 23 2025

SCZ049-050-240300-
/O.NEW.KCHS.CF.Y.0016.250823T2300Z-250824T0300Z/
Coastal Colleton-Charleston-
1102 AM EDT Sat Aug 23 2025

...COASTAL FLOOD ADVISORY IN EFFECT FROM 7 PM TO 11 PM EDT THIS
EVENING...

* WHAT...Up to one foot of inundation above ground level
  expected along shorelines and tidal waterways (7.7 to 7.9 feet
  Mean Lower Low Water at Charleston).

* WHERE...Coastal Colleton and Charleston Counties.

* WHEN...From 7 PM to 11 PM EDT this evening.

* IMPACTS...This will result in some roads becoming impassable
  and minor flooding of properties.

* 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.

Charleston Harbor SC
MLLW Categories - Minor 7.0 ft, Moderate 7.5 ft, Major 8.0 ft
MHHW Categories - Minor 1.2 ft, Moderate 1.7 ft, Major 2.2 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Waves    Flood
            ft MLLW    ft MHHW       ft       ft      Impact
 --------  ---------  ---------  ---------  -------  --------
 23/09 AM     7.4        1.6        1.9       N/A     Minor
 23/09 PM     7.8        2.0        1.7       N/A    Moderate
 24/09 AM     6.9        1.1        1.4       N/A      None
 24/10 PM     6.8        1.0        0.9       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

&&

$$

GAZ117-119-139-141-SCZ048-051-240300-
/O.NEW.KCHS.CF.Y.0016.250823T2300Z-250824T0300Z/
Coastal Bryan-Coastal Chatham-Coastal Liberty-Coastal McIntosh-
Beaufort-Coastal Jasper-
1102 AM EDT Sat Aug 23 2025

...COASTAL FLOOD ADVISORY IN EFFECT FROM 7 PM TO 11 PM EDT THIS
EVENING...

* WHAT...Up to one half foot of inundation above ground level
  expected along shorelines and tidal waterways (9.5 to 9.7 feet
  Mean Lower Low Water at Fort Pulaski).

* WHERE...Beaufort, Coastal Jasper, and coastal southeast
  Georgia.

* WHEN...From 7 PM to 11 PM EDT this evening.

* IMPACTS...Saltwater inundation will impact some roads.

* ADDITIONAL DETAILS...High tide will occur around 9:10 PM today
  at Fort Pulaski. 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.

Fort Pulaski GA
MLLW Categories - Minor 9.5 ft, Moderate 10.0 ft, Major 10.5 ft
MHHW Categories - Minor 2.0 ft, Moderate 2.5 ft, Major 3.0 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Waves    Flood
            ft MLLW    ft MHHW       ft       ft      Impact
 --------  ---------  ---------  ---------  -------  --------
 23/09 AM     9.0        1.5        1.8       N/A      None
 23/09 PM     9.6        2.1        1.7       N/A     Minor
 24/10 AM     8.6        1.1        1.3       N/A      None
 24/10 PM     8.7        1.2        1.0       N/A      None
 25/10 AM     8.0        0.5        0.8       N/A      None
 25/10 PM     8.2        0.7        0.8       N/A      None

&&

$$