Tropical Storm Rafael was rapidly picking up steam on Tuesday afternoon as it chugged toward the Cayman Islands in the Caribbean, and will likely become a hurricane in the next few hours, according to the U.

The National Hurricane Center forecast Tropical Storm Rafael to grow into the season’s 11th hurricane on Tuesday as it moved toward Cuba with winds and

The storm is expected to continue strengthening is it moves to the northwest and will likely become a hurricane by early Wednesday.