I’m so confused. Please help!

Hi ladies. I normally have 27-28 day cycles. Typically, I get positive OPKs on CD12-13. Today, I am CD 13 and still negatives. On Friday and Saturday I had EWCM and today it’s more watery with no stretchiness. I’ve been doing 2 OPKs since CD8 with all negatives. Am I not ovulating this month? Prior to my first pregnancy and now, I’ve been tracking consistently and this has never happened. Thanks!