Tibor Nagy served as ambassador to Ethiopia and Guinea and served in the Foreign Service in Africa for several years.
"I have to say, this is the longest period of time I have ever seen having so many embassies closed," said Nagy.
Nearly two dozen embassies and consulates have been closed so far and will remain closed through the rest of the week.
"People are in danger," said Nagy.
A global travel alert remains in effect as well warning that Al-Qaeda or their allies might target either US government or private American interests.
"If you have specific plans and a good reason to travel to those countries, if you get there, stay away from the US Embassy," said Nagy.
The travel alert warned also to stay away from public transportation and prime tourist sites.
"The tourists have to think, am I safe being here," said Nagy. "Am I staying at a luxury American hotel, which might also be a target of terrorists, or should I hop on a plane and get the heck out of here?"
Nagy also says that the likelihood of an attack happening when the embassies reopen is minimal because terror threats are time sensitive and security will remain heightened.
An intercepted electronic communication between two top Al-Qaeda leaders says they wanted to do "something big" last Sunday, a Muslim holiday.