For forty days the flood kept coming on the earth, and the waters rose and lifted the ark high above the earth.

Genesis 7:4
For seven days from now I will send rain on the earth for forty days and forty nights, and I will wipe from the face of the earth every living thing I have made."

Genesis 7:12
And the rain fell upon the earth for forty days and forty nights.

Genesis 7:16
And they entered, the male and female of every living thing, as God had commanded Noah. Then the LORD shut him in.

Genesis 7:18
So the waters continued to surge and rise greatly on the earth, and the ark floated on the surface of the waters.

And the flood was forty days on the earth; and the waters increased, and bore up the ark, and it was lift up above the earth.