Coastal Flood Advisory
Coastal Hazard Message
National Weather Service Charleston SC
1242 AM EST Thu Dec 4 2025
SCZ049-050-041300-
/O.NEW.KCHS.CF.Y.0054.251204T1000Z-251204T1300Z/
Coastal Colleton-Charleston-
1242 AM EST Thu Dec 4 2025
...COASTAL FLOOD ADVISORY IN EFFECT FROM 5 AM TO 8 AM EST 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 and Charleston Counties.
* WHEN...From 5 AM to 8 AM EST this morning.
* IMPACTS...This could result in some roads becoming impassable.
* ADDITIONAL DETAILS...High tide will occur around 6:47 AM
Thursday 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
-------- --------- --------- --------- ------- --------
04/07 AM 7.2 1.4 0.5 N/A Minor
04/07 PM 5.5 -0.3 0.2 N/A None
05/08 AM 7.5 1.7 0.7 N/A Moderate
05/08 PM 5.7 -0.1 0.4 N/A None
06/08 AM 7.2 1.4 0.6 N/A Minor
&&
$$
Coastal Hazard Message
National Weather Service Wilmington NC
416 AM EST Thu Dec 4 2025
SCZ054-056-041300-
/O.NEW.KILM.CF.Y.0103.251204T1000Z-251204T1300Z/
Coastal Horry-Coastal Georgetown-
416 AM EST Thu Dec 4 2025
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...
* WHAT...Up to one half foot of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways.
* WHERE...Coastal Horry and Coastal Georgetown Counties.
* WHEN...Until 8 AM EST this morning.
* IMPACTS...Vulnerable causeways to and from local beaches may
experience minor coastal flooding. Low-lying roads and
locations along the Intracoastal Waterway and adjacent tidal
creeks may observe minor coastal flooding. Check with local
officials for the latest information regarding coastal flood
impacts and closures.
* ADDITIONAL DETAILS...Affected areas listed are based on
average tide conditions. Additional locations may experience
flooding during periods of heavy rainfall, high winds, or
other factors.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
Time of high total tides are approximate to the nearest hour.
Springmaid Pier at Myrtle Beach
MLLW Categories - Minor 7.0 ft, Moderate 8.5 ft, Major 10.5 ft
MHHW Categories - Minor 1.4 ft, Moderate 2.9 ft, Major 4.9 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
04/06 AM 7.1 1.5 0.3 1 Minor
04/07 PM 5.6 0.0 0.4 1 None
05/07 AM 7.3 1.7 0.4 2 Minor
05/08 PM 5.7 0.1 0.5 2 None
06/08 AM 7.4 1.8 0.6 2 Minor
06/08 PM 5.7 0.1 0.6 1-2 None
&&
$$
