ORLANDO, Fla. — The National Hurricane Center said on Sunday that a tropical wave has moved off the African west coast as the peak of hurricane season approaches. As of the NHC’s 2 p.m. ET tropical outlook, forecasters gave the system a 40% chance of formation in the next five days. On Saturday, the NHC began projecting the formation of a potential tropical system in the eastern Atlantic Ocean and forecast the wave to move off the west coast of Africa over the weekend. “Environmental conditions are expected to be conducive for some gradual development of this system while it moves westward acr…