FORT MYERS, Fla. Hurricane Irma weakened to a tropical storm Monday morning, the National Hurricane Center said. Tropical Storm Irma is moving north-northwest at 18 mph and has maximum sustained winds of 70 mph, according to the National Hurricane Center. The system is about 30 miles north-northeast of Cedar Key and about 105 miles north-northwest of Tampa. While Irma has downgraded to a tropical storm, the system is “still producing some wind gusts to near hurricane force,” the National Hurricane Center said. The Storm Surge Warning issued from from south of the Flagler/Volusia County line to Jupiter Inlet was discontinued, according to the National Hurricane Center. The Hurricane Warning issued from Sebastian Inlet to Fernandina Beach, and from the Anclote River to Indian Pass were changed to a Tropical Storm Warning, the National Hurricane Center said. The Hurricane Watch previously issued from north of Fernandina Beach to Edisto Beach was discontinued, the National Hurricane Center said. Here is the forecast cone from the 8 a.m. advisory: Map forecast via National Hurricane Center