It's hard to say for sure what size you would wear, but I would think at 4'11" at 130 lbs. a size medium would probably be right. When it comes to winter sweaters, even if they are a little larger they're cozy that way, so if the medium ends up a little big you'll still be cozy warm
"You can't go back and make a brand new start, but you can start now and make a brand new ending"
Restart Weight (02/Jan/15) - 145.6 lbs
Current Weight (6/March/15) - 141.4 lbs.
1st Goal (to get out of an 'overweight' BMI)- 136 lbs.
Easter Challenge Goal - 129 lbs.
Distance Challenge - 60.7/150 miles by Easter