I don't know if that's new or used, but considering how the wx can change and what survival time in the water
is in January...
and inspect, take an overnight near-shore shakedown cruise
, recheck the boat afterwards. Engine
, all through-hulls, power and communications
I'd stay conservative and try to set up a comm schedule with someone ashore, or at least a float plan filed.
After that, it is a just a matter of checking the weather very carefully, and being prepared to wait--or delay as needed. (That and dressing for it! Sea boots and watch cap may be mandatory.)