In case you were wondering, it was 100% wrong for me.
"We predict your baby will be born after its due date. Your baby will most likely be born in the morning. Justmommies predicts that your baby will weigh approximately 7.5 pounds and that your labor will be about 12 hours long. "
Gabriel came 11 days early, was born in the late afternoon, I had a short labor, and he was only 5 lb 13 oz.