Local officials issued a tropical storm watch for Beaufort County on Sunday, warning of the possibility of heavy rainfall. According to National Weather Service maps, Hilton Head, Bluffton, and Beaufort are predicted to receive approximately 20 inches of rain from the tropical cyclone through Thursday. Tropical storm and flooding watches were issued for Beaufort County on Sunday. A tropical storm watch indicates that rising water will move inland from the shore in the area during the next 48 hours, potentially causing life-threatening flooding, according to the agency.