Pronouncing Powhattan

So how do you pronounce Powhattan ( an east/west street in Seminole Heights)? Well first who or what is is Powhatan? He was "1. a member of any of the Indian tribes belonging to the Powhatan Confederacy. 2. the Eastern Algonquian language spoken by the Powhatan people. 3. c1550–1618, North American Indian chief in Virginia, father of Pocahontas and founder of the Powhatan Confederacy."

Here is how Yahoo pronounces it

Here is an interesting discussion about the subject on a train club forum.