It could be a number of things. Is there pain when you skate or is it after you skate? Is it one side or both sides? Does anything help and how long does the pain take to go away. Has anything changed about your skating (time on the ice, learning something new, different equipment, etc?).
When I was marathon training I had pretty severe shin splints after running on too steep of a downhill, they lasted about 3 weeks. I didn't notice them skating unless I was jumping on the left foot (basically when doing a toe loop). I am a physical therapist so knew exactly what it was and did the appropriate icing, strengthening and stretching and they went away. If something is that painful and has persisted that long it is worth talking to a doctor or PT about.
Hmm...I've just realized the possibility of it being lace bite. It seems to be more or less in the similar area, is there a way to know for sure if that is the case?