664
WHUS42 KCHS 110620
CFWCHS
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
220 AM EDT SUN OCT 11 2026
SCZ150-111430-
/O.NEW.KCHS.CF.Y.0045.261011T1100Z-261011T1500Z/
/O.CON.KCHS.RP.S.0011.000000T0000Z-261012T0000Z/
CHARLESTON-
220 AM EDT SUN OCT 11 2026
..HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING
...COASTAL FLOOD ADVISORY IN EFFECT FROM 7 AM TO 11 AM EDT THIS
MORNING...
* WHAT...FOR THE HIGH RIP CURRENT RISK, DANGEROUS RIP CURRENTS.
FOR THE COASTAL FLOOD ADVISORY, UP TO ONE HALF FOOT OF
INUNDATION ABOVE GROUND LEVEL EXPECTED ALONG SHORELINES AND
TIDAL WATERWAYS (7.1 TO 7.3 FEET MEAN LOWER LOW WATER AT
CHARLESTON).
* WHERE...CHARLESTON COUNTY.
* WHEN...FOR THE HIGH RIP CURRENT RISK, THROUGH THIS EVENING.
FOR THE COASTAL FLOOD ADVISORY, FROM 7 AM TO 11 AM EDT THIS
MORNING.
* 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 9:15 AM THIS
MORNING 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
-------- --------- --------- --------- ------- --------
11/09 AM 7.2 1.4 0.6 N/A MINOR
11/09 PM 6.0 0.2 0.2 N/A NONE
12/10 AM 6.6 0.8 0.2 N/A NONE
12/10 PM 6.0 0.2 0.4 N/A NONE
13/11 AM 6.9 1.1 0.7 N/A NONE
13/10 PM 6.1 0.3 0.8 N/A NONE
SCZ149-111430-
/O.NEW.KCHS.CF.Y.0045.261011T1100Z-261011T1500Z/
COASTAL COLLETON-
220 AM EDT SUN OCT 11 2026
...COASTAL FLOOD ADVISORY IN EFFECT FROM 7 AM TO 11 AM EDT THIS
MORNING...
* WHAT...UP TO ONE HALF FOOT OF INUNDATION ABOVE GROUND LEVEL
EXPECTED ALONG SHORELINES AND TIDAL WATERWAYS (7.1 TO 7.3 FEET
MEAN LOWER LOW WATER AT CHARLESTON).
* WHERE...COASTAL COLLETON COUNTY.
* WHEN...FROM 7 AM TO 11 AM EDT THIS MORNING.
* IMPACTS...THIS COULD RESULT IN SOME ROADS BECOMING IMPASSABLE.
* ADDITIONAL DETAILS...HIGH TIDE WILL OCCUR AROUND 9:15 AM THIS
MORNING 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
-------- --------- --------- --------- ------- --------
11/09 AM 7.2 1.4 0.6 N/A MINOR
11/09 PM 6.0 0.2 0.2 N/A NONE
12/10 AM 6.6 0.8 0.2 N/A NONE
12/10 PM 6.0 0.2 0.4 N/A NONE
13/11 AM 6.9 1.1 0.7 N/A NONE
13/10 PM 6.1 0.3 0.8 N/A NONE
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