047
WHUS42 KCHS 271358
CFWCHS
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
958 AM EDT TUE MAY 27 2025
SCZ049-050-272200-
/O.NEW.KCHS.CF.Y.0006.250527T2300Z-250528T0300Z/
COASTAL COLLETON-CHARLESTON-
958 AM EDT TUE MAY 27 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 (7.5 TO 7.7 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 9:11 PM THIS
EVENING 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
-------- --------- --------- --------- ------- --------
27/09 AM 6.0 0.2 0.9 N/A NONE
27/09 PM 7.6 1.8 0.9 N/A MODERATE
28/10 AM 5.6 -0.2 0.6 N/A NONE
28/10 PM 7.1 1.3 0.6 N/A MINOR
29/10 AM 5.2 -0.6 0.4 N/A NONE
29/11 PM 6.8 1.0 0.5 N/A NONE
GAZ119-139-141-SCZ048-051-272200-
/O.NEW.KCHS.CF.Y.0006.250527T2300Z-250528T0300Z/
COASTAL CHATHAM-COASTAL LIBERTY-COASTAL MCINTOSH-BEAUFORT-
COASTAL JASPER-
958 AM EDT TUE MAY 27 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...IN GEORGIA, COASTAL CHATHAM, COASTAL LIBERTY AND
COASTAL MCINTOSH COUNTIES. IN SOUTH CAROLINA, BEAUFORT AND
COASTAL JASPER COUNTIES.
* WHEN...FROM 7 PM TO 11 PM EDT THIS EVENING.
* IMPACTS...SALTWATER INUNDATION WILL IMPACT SOME ROADS.
* ADDITIONAL DETAILS...HIGH TIDE WILL OCCUR AROUND 9:15 PM THIS
EVENING 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
-------- --------- --------- --------- ------- --------
27/09 AM 8.1 0.6 1.1 N/A NONE
27/09 PM 9.6 2.1 0.9 N/A MINOR
28/10 AM 7.5 0.0 0.6 N/A NONE
28/10 PM 9.0 1.5 0.5 N/A NONE
29/11 AM 7.1 -0.4 0.4 N/A NONE
29/11 PM 8.7 1.2 0.6 N/A NONE
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