Coastal Flood Warnings/Watches/Statements
Issued by NWS Charleston, SC

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2
000
WHUS42 KCHS 170027
CFWCHS

Coastal Hazard Message
National Weather Service Charleston SC
827 PM EDT Wed May 16 2018

SCZ048>050-170300-
/O.NEW.KCHS.CF.Y.0008.180517T0100Z-180517T0300Z/
Beaufort-Coastal Colleton-Charleston-
827 PM EDT Wed May 16 2018

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

The National Weather Service in Charleston has issued a Coastal
Flood Advisory, which is in effect until 11 PM EDT this evening.

* LOCATIONS...Low-lying areas adjacent to tidal waterways in
  Charleston, Beaufort, and Colleton Counties including downtown
  Charleston.

* TIDE LEVELS...Peaking between 6.9 and 7.1 feet Mean Lower Low
  Water, or between 1.14 and 1.34 feet Mean Higher High Water.
  Minor coastal flooding typically begins along in Charleston
  Harbor when tide levels reach 7.0 feet Mean Lower Low Water or
  1.24 feet Mean Higher High Water.

* TIMING...High tide will occur around 9:30 to 10:00 PM this
  evening at Charleston. Saltwater inundation will be possible 1
  to 2 hours before and after high tide.

* COASTAL FLOOD IMPACTS...Saltwater inundation could result in
  some roads becoming impassable and minor flooding of
  properties.

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.

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
 --------  ---------  ---------  ---------  -------  --------
 16/10 PM     7.0        1.2        0.3       NA      Minor
 17/10 AM     5.3       -0.5        0.0       NA       None
 17/10 PM     6.6        0.8        0.0       NA       None

&&

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.