Earl, a tropical storm moving through the Caribbean toward Belize, was upgraded to a Hurricane on Wednesday, the National Hurricane Center said.

The storm, which is about 150 miles east of Belize City, has reached maximum sustained winds of 75 miles per hour, classifying it as a hurricane.

The National Hurricane Center expects Earl will make landfall in Belize by Wednesday night or early Thursday morning. A hurricane warning is currently in effect in Puerto Costa Maya, Mexico and the Bay Islands in Honduras.

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Write to Katie Reilly at Katie.Reilly@time.com.