THE GULLAH MUSEUM OF HILTON HEAD ISLAND ARE HOSTING THEIR ANNUAL GULLAH HERITAGE FESTIVAL. INCH, EXCEPT HIGHER AMOUNTS POSSIBLE IN THUNDERSTORMS. Tybee Island Police and emergency personnel are currently searching the area of the Back River for a teenager who went missing while in the water.Just before 11:00 a.m. on Friday, July 5th, Tybee Island emergency personnel responded to the area of the Inlet Avenue beach access in reference to a report of swimmers in distress.