As of 2pm ET, Tropical Storm Ernesto has been increased from a tropical storm to a Hurricane with winds of 80 mph and a minimum pressure now down to 984 mb. The track of the storm has been to the northwest and that should continue until landfall, late Tuesday/early Wednesday. Landfall will be into Mexico about 70 miles north of the border with Belize or about 80 miles southwest of Cozumel.
Below is the current radar loop from the Belize radar. The center of circulation is easily depicted.