Humberto's maximum sustained winds early Wednesday are near 75 mph (120 kph). The U.S. National Hurricane Center says the hurricane could gain more strength before a weakening trend likely starts on Thursday.
Humberto is centered about 310 miles (500 kilometers) west-northwest of the southernmost Cape Verde Islands and is moving north-northwest near 8 mph (13 kph).
Meanwhile, Tropical Storm Gabrielle (ga-bree-EHL') is weakening as it moves away from Bermuda after hitting the wealthy British territory with wind, rain and rough surf. Gabrielle's maximum sustained winds decreased to near 50 mph (85 kph).