Tropical wave with low-pressure area forecast to move off west coast of Africa

"A tropical depression is likely to form over the weekend or early next week while the wave moves westward or west-northwestward over the far eastern tropical Atlantic Ocean," the NHC added.

A tropical wave with a low-pressure area is forecast to move off the west coast of Africa on Friday and has a 50 percent chance of developing into a tropical cyclone in the next 48 hours, the U.S. National Hurricane Center (NHC) said on Thursday.

"A tropical depression is likely to form over the weekend or early next week while the wave moves westward or west-northwestward over the far eastern tropical Atlantic Ocean," the NHC added.

Another system several hundred miles west-southwest of the Cape Verde Islands has an 80 percent chance of developing into a tropical cyclone in the next 48 hours, the Miami-based weather forecasters said.