Issued by the National Weather Service, last updated at 4:39 PM on September 26, 2026
Coastal Colleton; Charleston
7:00 PM on September 26, 2026
11:00 PM on September 26, 2026
* WHAT...Up to one half foot of inundation above ground level
expected along shorelines and tidal waterways (7.3 to 7.5 feet
Mean Lower Low Water at Charleston).
* WHERE...Coastal Colleton and Charleston Counties.
* WHEN...From 7 PM to 11 PM EDT this evening.
* IMPACTS...This could result in some roads becoming impassable.
* ADDITIONAL DETAILS...High tide will occur around 8:26 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 2:32 PM on September 26, 2026
This AfternoonSunny. Highs around 80. Northwest winds around 5 mph.
TonightMostly 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. Northwest winds 5 to 10 mph.
Sunday NightMostly clear. Lows in the lower 60s. West winds 5 to 10 mph.
MondaySunny. Highs in the lower 80s. North winds around 5 mph, becoming south in the afternoon.
Monday NightMostly clear. Lows in the upper 60s.
TuesdaySunny. Highs in the mid 80s.
Tuesday NightClear. Lows around 70.
WednesdaySunny. Highs in the mid 80s.
Wednesday NightMostly clear. Lows in the lower 70s.
ThursdaySunny. Highs in the mid 80s.
Thursday NightPartly cloudy. Lows in the lower 70s.
FridayMostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent.