Nikki Blonsky's dad might be one of the few people who actually wants to get off Turks & Caicos islands -- and he's just about to get his wish.

The bail hearing for Nikki Blonsky's hotheaded dad is going on right now. We're told he'll probably be granted bail, but mainly because he has a kidney condition. Sources tell TMZ Carl Blonsky's bail could be set as high as $100,000 -- because of the seriousness of the crime he's accused of (grievous bodily harm) after that bitchtastic fight in the T&C airport last week.

The Turks and Caicos Sun had reported that Carl was willing to put up $75,000 -- his savings -- to avoid any jail time, but wasn't able to convince the judge to let him leave the islands.