Tropical storm warnings were extended up to Surf City, North Carolina, as Tropical Storm Chantal is offshore of the southeastern U.S. on Saturday.

Tropical Storm Chantal has grown slightly in strength as it nears the southeast U.S. coast. The National Hurricane Center issued warnings for parts of the Carolinas on Sunday.

Tropical Storm Chantal, which formed off the coast of South Carolina on Saturday, July 5, is expected to bring heavy rainfall across the coastal Carolinas Saturday night and Sunday, the National Hurricane Center said.