Issued by the National Weather Service, last updated at 8:38 PM on September 25, 2026
Coastal Colleton; Charleston
10:00 PM on September 25, 2026
* WHAT...Up to one foot of inundation above ground level along
shorelines and tidal waterways (7.4 to 7.6 feet Mean Lower Low
Water at Charleston).
* WHERE...Coastal Colleton and Charleston Counties.
* WHEN...Until 10 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 7:48 PM today
at Charleston. Saltwater inundation will be possible 1 to 2
hours before and after 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.
Charleston Area NWS Forecast
Forecast for Charleston updated at 6:57 PM on September 25, 2026
TonightClear. Lows in the mid 50s. North winds 5 to 10 mph.
SaturdaySunny. Highs around 80. Northwest winds 5 to 10 mph.
Saturday NightMostly clear. Lows in the mid 50s, except in the upper 50s near the coast. Northwest winds around 5 mph.
SundaySunny. Highs in the lower 80s. West winds 5 to 10 mph.
Sunday NightMostly clear. Lows in the lower 60s. Southwest winds 5 to 10 mph.
MondaySunny. Highs in the mid 80s.
Monday NightMostly clear. Lows in the upper 60s.
TuesdaySunny. Highs in the mid 80s.
Tuesday NightMostly clear. Lows in the upper 60s.
WednesdaySunny. Highs in the mid 80s.
Wednesday NightMostly clear. Lows in the lower 70s.
ThursdaySunny. Highs in the mid 80s.
Thursday NightMostly clear. Lows in the lower 70s.
FridayMostly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.