Issued by the National Weather Service, last updated at 5:10 PM on September 24, 2026
Coastal Colleton; Charleston
8:00 PM on September 24, 2026
* WHAT...For the High Rip Current Risk, dangerous rip currents.
For the Coastal Flood Advisory, up to one foot of inundation
above ground level expected along shorelines and tidal
waterways (7.4 to 7.6 feet Mean Lower Low Water at Charleston).
* WHERE...Coastal Colleton and Charleston Counties.
* WHEN...For the High Rip Current Risk, until 8 PM EDT this
evening. For the Coastal Flood Advisory, until 10 PM EDT this
evening.
* IMPACTS...This will result in some roads becoming impassable
and minor flooding of properties. Rip currents can sweep even
the best swimmers away from shore into deeper water.
* ADDITIONAL DETAILS...High tide will occur around 7:10 PM today
at Charleston. Saltwater inundation will be possible for several
hours either side of high tide.
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.
Coastal Colleton; Charleston
10:00 PM on September 24, 2026
* WHAT...For the High Rip Current Risk, dangerous rip currents.
For the Coastal Flood Advisory, up to one foot of inundation
above ground level expected along shorelines and tidal
waterways (7.4 to 7.6 feet Mean Lower Low Water at Charleston).
* WHERE...Coastal Colleton and Charleston Counties.
* WHEN...For the High Rip Current Risk, until 8 PM EDT this
evening. For the Coastal Flood Advisory, until 10 PM EDT this
evening.
* IMPACTS...This will result in some roads becoming impassable
and minor flooding of properties. Rip currents can sweep even
the best swimmers away from shore into deeper water.
* ADDITIONAL DETAILS...High tide will occur around 7:10 PM today
at Charleston. Saltwater inundation will be possible for several
hours either side of high tide.
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.
Charleston Area NWS Forecast
Forecast for Charleston updated at 2:13 PM on September 24, 2026
This AfternoonCloudy with a 40 percent chance of showers. Highs in the lower 70s. North winds 15 to 20 mph with gusts up to 30 mph.
TonightMostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the upper 50s. North winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent.
FridaySunny. Highs in the mid 70s. North winds 10 to 15 mph with gusts up to 25 mph.
Friday NightMostly clear. Lows in the upper 50s. North winds 5 to 10 mph.
SaturdaySunny. Highs around 80. North winds 5 to 10 mph.
The first legitimate shot of cooler air of the season begins to build in on Wednesday as high pressure starts to wedge into the area from the north. It’ll bring with it some breezy conditions and an elevated risk of coastal flooding that will last into at least Friday.
