Charleston, SC Faces Major Coastal Flooding as High Tides and King Tides Cause Saltwater Inundation

Charleston, SC is experiencing tidal flooding this week, with high tides causing saltwater flooding in downtown Charleston. A forecast predicts that the flood stage will reach a major level (8 feet or higher) today and on Thursday. A Coastal Flood Advisory is in effect until 10 am on Thursday for low-lying areas close to the coast, with saltwater flooding expected. The advisory warns against driving through flooded roadways. Tybee Island also faces the possibility of coastal flooding during high tide, with an advisory or warning expected on Thursday evening. King tides are back, and a coastal flood advisory is in place until 8 pm today for minor coastal flooding. Additional flooding is likely with high tides through the weekend, peaking on Thursday and Friday. A Coastal Flood Advisory was in effect on Tuesday evening, with minor saltwater flooding possible. Moderate to major flood stages are expected through Sunday due to the combination of the full moon and onshore flow, leading to coastal flood warnings and advisories, as well as road closures. On Monday, a Coastal Flood Advisory was in effect until 1 pm for Beaufort, coastal Colleton, Charleston, and coastal Georgetown counties, with moderate saltwater flooding expected and the potential for road closures. On Tuesday afternoon and evening, coastal flooding is expected as strong gusts push 6-8 foot waves into the coast during high tide. Coastal flooding is also anticipated through Wednesday, as shown by a photo of flooding in Mount Pleasant. Currently, a Coastal Flood Advisory remains in effect until 2 pm, with moderate flood stage and rising tides.