No he sounds like he’s against a strike entirely.
With or without Congress.
http://www.politico.com/story/2013/09/john-bolton-syria-vote-96195.html?hp=l1_b2
Yes, he’s opposed to this strike. The reason people thought he would support it is because he thinks the President has the power to attack countries at will.
That belief does not mean he would agree with doing any of those attacks.