552  
WHUS42 KCHS 280001  
CFWCHS  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE CHARLESTON SC  
801 PM EDT SUN APR 27 2025  
 
GAZ117-119-139-141-SCZ048-051-280200-  
/O.EXP.KCHS.RP.S.0002.000000T0000Z-250428T0000Z/  
/O.CON.KCHS.CF.Y.0001.000000T0000Z-250428T0200Z/  
COASTAL BRYAN-COASTAL CHATHAM-COASTAL LIBERTY-COASTAL MCINTOSH-  
BEAUFORT-COASTAL JASPER-  
801 PM EDT SUN APR 27 2025  
 
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS  
EVENING...   
..HIGH RIP CURRENT RISK HAS EXPIRED
 
 
* WHAT...UP TO ONE HALF FOOT OF INUNDATION ABOVE GROUND LEVEL  
ALONG SHORELINES AND TIDAL WATERWAYS (9.8 TO 10.0 FEET MEAN  
LOWER LOW WATER AT FORT PULASKI).  
 
* WHERE...BEAUFORT, COASTAL JASPER, AND COASTAL SOUTHEAST  
GEORGIA.  
 
* WHEN...UNTIL 10 PM EDT THIS EVENING.  
 
* IMPACTS...SALTWATER INUNDATION WILL IMPACT SOME ROADS.  
 
* ADDITIONAL DETAILS...HIGH TIDE WILL OCCUR AROUND 8:41 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  
-------- --------- --------- --------- ------- --------  
27/08 PM 9.9 2.4 1.2 N/A MINOR  
28/09 AM 8.3 0.8 0.9 N/A NONE  
28/10 PM 9.6 2.1 0.8 N/A MINOR  
29/10 AM 7.8 0.3 0.6 N/A NONE  
29/10 PM 9.1 1.6 0.5 N/A NONE  
30/11 AM 7.2 -0.3 0.3 N/A NONE  
 

 
 

 
 
SCZ049-050-280200-  
/O.EXP.KCHS.RP.S.0002.000000T0000Z-250428T0000Z/  
/O.CON.KCHS.CF.Y.0001.000000T0000Z-250428T0200Z/  
COASTAL COLLETON-CHARLESTON-  
801 PM EDT SUN APR 27 2025  
 
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS  
EVENING...   
..HIGH RIP CURRENT RISK HAS EXPIRED
 
 
* WHAT...UP TO ONE FOOT OF INUNDATION ABOVE GROUND LEVEL ALONG  
SHORELINES AND TIDAL WATERWAYS (7.7 TO 7.9 FEET MEAN LOWER LOW  
WATER AT CHARLESTON).  
 
* WHERE...COASTAL COLLETON AND CHARLESTON COUNTIES.  
 
* WHEN...UNTIL 10 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 8:33 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  
-------- --------- --------- --------- ------- --------  
27/08 PM 7.8 2.0 1.1 N/A MODERATE  
28/09 AM 6.1 0.3 0.6 N/A NONE  
28/09 PM 7.4 1.6 0.6 N/A MINOR  
29/10 AM 5.7 -0.1 0.4 N/A NONE  
29/10 PM 7.1 1.3 0.4 N/A MINOR  
30/11 AM 5.4 -0.4 0.3 N/A NONE  
 

 
 

 
 
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