Genesis 7:17-20

Noah and the Flood

¹⁷ The flood _z continued forty days on the earth. The waters increased and bore up the ark, and it rose high above the earth. ¹⁸ The waters prevailed and increased greatly on the earth, and the ark floated on the face of the waters. ¹⁹ And the waters prevailed so mightily on the earth that all the high mountains under the whole heaven were covered. ²⁰ The waters prevailed above the mountains, covering them fifteen cubits ₁ deep.

1. Cross References
   Genesis 7:4
   For in seven days I will send rain on the earth forty days and forty nights, and every living thing that I have made I will blot out from the face of the ground.
   Genesis 7:12
   And rain fell upon the earth forty days and forty nights.