Tropical Storm Rafael is chugging toward the Cayman Islands and is forecast to strengthen into a hurricane en route to Cuba.

Tropical Storm Rafael is expected to strengthen into a hurricane before making landfall in Cuba Wednesday, according to the National Hurricane Center.

A broad area of low pressure in the western Caribbean Sea is becoming better organized and the National Hurricane Center is initiating advisories on the system as of 4 p.m. Sunday. The disturbance is being called Potential Tropical Cyclone Eighteen,