Um is this normal?

Klaudia • TTC my rainbow baby after 1 abortion and 2 miscarriages
I had a miscarriage in october and my periods have been either 2 weeks early or 2 weeks late ever since. My periods supposed to be due this weekend but i took an opk with some symptoms ive been having and got my first smiley on CD 30 is it possible to ovulate this late?