* WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the Coastal Flood Warning, significant coastal flooding expected. * WHERE...St Johns River Basin. * WHEN...For the Coastal Flood Advisory, until 5 AM EDT Saturday. For the Coastal Flood Warning, from 5 AM Saturday to 8 PM EDT Monday. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur.