I wondered this as well and asked my state senator, Senator Witkos, to ask the OLR for more information. Their report can be found at http://www.cga.ct.gov/2013/rpt/2013-R-0340.htm. While it is not definitive (and seems to say the Governor has largely unlimited powers, IMHO) it includes the following. I hope not to be a test case
"Can guns or other legally owned items be confiscated from homes ordered evacuated during a state of emergency?
The statutes do not address the specific issue of firearms and we found no case addressing the issue in Connecticut.
With regard to other items, the law specifically authorizes the governor in the event of shortage or disaster during a declared emergency, when necessary for the protection of the public, to take possession of:"