John Gills Exposition of the Bible Commentary - Genesis 7:10
And it came to pass after seven days ,.... Were ended, or on the seventh day, after God had given the orders to Noah, to prepare for his going into the ark, with his family, and all the creatures: that the waters of the flood were upon the earth : that is, they began to be upon the earth; for it continued to rain from hence forty days and forty nights; and still the waters continued to increase, and it was an hundred and fifty days before they began to ebb. read more
Matthew Henry's Complete Commentary - Genesis 7:5-10
Here is Noah's ready obedience to the commands that God gave him. Observe, 1. He went into the ark, upon notice that the flood would come after seven days, though probably as yet there appeared no visible sign of its approach, no cloud arising that threatened it, nothing done towards it, but all continued serene and clear; for, as he prepared the ark by faith in the warning given that the flood would come, so he went into it by faith in this warning that it would come quickly, though he did... read more