Tropical storm warnings have been extended up to Surf City, North Carolina, as Tropical Storm Chantal is offshore of the southeastern U.S. on Saturday, according to the National Hurricane Center. The storm has maximum sustained wind of up to 45 mph and is moving north at just 3 mph.

Tropical Storm Chantal formed Saturday morning about 150 miles off the coast of South Carolina, prompting tropical storm warnings for portions of the Carolinas.The National Weather Service in Miami said the storm was located south-southeast of Charleston,

Tropical Storm Chantal formed on Saturday as it slowly moved in the Atlantic toward the Carolinas, according to the National Weather Service.