Tropical Storm Debby has strengthened into a Category 1 hurricane ahead of its anticipated landfall on Florida’s Gulf Coast on Monday, U.S. forecasters said late Sunday.

The storm’s maximum winds had increased to 75 mph at 11 p.m. ET, according to the National Hurricane Center.

The hurricane was about 65 miles west of Cedar Key, Florida, and about 100 miles west of Tampa, and it was moving north at about 12 mph, the center said.

Florida Gov. Ron DeSantis declared a state of emergency for 61…