Tropical Storm Kyle is gaining strength as it swirls in the open Atlantic southwest of Bermuda, AP reported. The U.S. National Hurricane Center said Kyle's maximum sustained winds have increased to near 60 mph (95 kph) early Friday. Forecasters said the storm could become a hurricane by Saturday as it moves north. A tropical storm watch has been issued for Bermuda. Kyle is centered about 510 miles (820 kilometers) south-southwest of Bermuda and moving north near 12 mph (19 kph). Kyle is the 11th named storm this season in the Atlantic.