Tropical Storm Ernesto, the fifth system of the Atlantic hurricane season, has strengthened and may become a hurricane tomorrow.
Ernesto has maximum sustained winds of 60 miles (95 kilometers) per hour, the National Hurricane Center said in its latest advisory. It is about 305 miles south of San Juan, Puerto Rico, and moving west at 18mph.
“On the forecast track the center of Ernesto will move across the eastern and central Caribbean Sea over the weekend and pass near or south of Jamaica on Sunday,” the center said on its website. “Gradual strengthening is forecast during the next couple of days and Ernesto is expected to become a hurricane on Sunday.”