A countywide curfew, which includes Biloxi and all cities in Harrison County, will go into effect this evening at 7 and continue through Sunday morning at 9. Additionally, a mandatory evacuation of low-lying and flood-prone areas goes into effect at 2 this afternoon. Do you need a ride to a shelter? Call Coast Transit at 228-896-8080. The two announcements were made this afternoon as Hurricane Nate continues moving northward at 28 mph, with a projected path of the central Mississippi Gulf Coast.