MIAMI—Forecasters predict a tropical system will bring heavy rain, storm surge and coastal flooding to the central Gulf Coast as early as Friday and throughout the weekend. A tropical storm warning was in effect for parts of Louisiana, Mississippi, Alabama and Florida—extending from Intracoastal City, Louisiana, to the Okaloosa-Walton County line in the Florida Panhandle, according to the National Hurricane Center in Miami. At Tacky Jack’s, a popular restaurant on the Alabama coast in Orange Beach, “the winds are blowing pretty fast today so hopefully that wind will make the storm move faster and blow on out of here,” kitchen manager Greg Paddie said Friday. “I hope it just gets in and gets out,” he said. The poorly organized disturbance was located Friday morning about 255 miles (410 kilometers) south of Morgan City, Louisiana, with maximum sustained winds of 35 mph (55 kph). It was moving north at 14 mph …