Genesis 7:1, 4, 18-19

When everything was ready, the LORD said to Noah, “Go into the boat with all your family, for among all the people of the earth, I can see that you alone are righteous.

Seven days from now I will make the rains pour down on the earth. And it will rain for forty days and forty nights, until I have wiped from the earth all the living things I have created.”

As the waters rose higher and higher above the ground, the boat floated safely on the surface. Finally, the water covered even the highest mountains on the earth