587
WHUS42 KCHS 040945
CFWCHS

Coastal Hazard Message
National Weather Service Charleston SC
545 AM EDT Sat Oct 4 2025

SCZ049-050-041745-
/O.NEW.KCHS.CF.Y.0032.251004T0945Z-251004T1200Z/
/O.CON.KCHS.RP.S.0009.000000T0000Z-251005T0000Z/
Coastal Colleton-Charleston-
545 AM EDT Sat Oct 4 2025

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING...

* WHAT...For the Coastal Flood Advisory, up to one half foot of
  inundation above ground level along shorelines and tidal
  waterways (7.1 to 7.3 feet Mean Lower Low Water at
  Charleston). For the High Rip Current Risk, dangerous rip
  currents.

* WHERE...Coastal Colleton and Charleston Counties.

* WHEN...For the Coastal Flood Advisory, until 8 AM EDT this
  morning. For the High Rip Current Risk, through this evening.

* IMPACTS...This could result in some roads becoming impassable.
  Rip currents can sweep even the best swimmers away from shore
  into deeper water.

* ADDITIONAL DETAILS...High tide will occur around 5:55 AM 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.

Swim near a lifeguard. If caught in a rip current, relax and
float. Don`t swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

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
 --------  ---------  ---------  ---------  -------  --------
 04/06 AM     7.2        1.4        1.2       N/A      None
 04/07 PM     7.3        1.5        1.1       N/A     Minor
 05/07 AM     7.1        1.3        1.0       N/A     Minor
 05/07 PM     7.4        1.6        1.0       N/A     Minor
 06/08 AM     7.5        1.7        1.0       N/A    Moderate
 06/08 PM     7.4        1.6        1.0       N/A     Minor

&&

$$

GAZ117-119-139-141-SCZ048-051-041745-
/O.CON.KCHS.RP.S.0009.000000T0000Z-251005T0000Z/
Coastal Bryan-Coastal Chatham-Coastal Liberty-Coastal McIntosh-
Beaufort-Coastal Jasper-
545 AM EDT Sat Oct 4 2025

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING...

* WHAT...Dangerous rip currents.

* WHERE...Georgia Beaches, Beaufort, and Coastal Jasper.

* WHEN...Through this evening.

* IMPACTS...Rip currents can sweep even the best swimmers away
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don`t swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$