Genesis 7:18-20

New Revised Standard Version, Anglicised

¹⁸ The waters swelled and increased greatly on the earth; and the ark floated on the face of the waters. ¹⁹ The waters swelled so mightily on the earth that all the high mountains under the whole heaven were covered; ²⁰ the waters swelled above the mountains, covering them fifteen cubits deep.