But consider this: if the house-owner knew what time a thief was coming, he would keep watch. He would not allow his house to be broken into and robbed.
So keep watch, because you don't know when the owner of the house is coming back. It may be in the evening, in the middle of the night, before dawn, or in the morning.
He could see them being buffeted about as they rowed hard because the wind was blowing against them. In the early morning hours Jesus came to them, walking on the water. He would have passed them,
Then I heard again the voice from heaven telling me, “Go and take the scroll that is open in the hand of the angel that stands on the sea and on the land.”