Genesis 7:20 Daily Devotional & Meaning – Waters Higher Than the Mountains
- Benjamin Michael Mcgreevy
- Mar 11
- 3 min read
Daily Verses Everyday! Day 36
“Fifteen cubits upward did the waters prevail; and the mountains were covered.”
Fifteen cubits translates roughly to 22 feet, which is the height of a typical two-story home in America. Visualize the scene: if you stood outside your house, looking up at the roof, that’s how much higher the waters of the Flood rose above the mountains. And remember: this wasn’t just some random hill or small peak, but it was the highest mountains, the tallest points on the Earth, now completely submerged. The narrative doesn’t merely report a catastrophic event; it draws the reader into a visceral experience of totality—a Flood so thorough and relentless that even the loftiest summits could not resist it.
The imagery here is staggering. Picture the world as you know it, with cities, forests, plains, and mountains completely underwater. Imagine the sound: the rush of waters meeting rock, the roar of the Flood obliterating anything in its path.
The text tells us that the waters “prevailed” fifteen cubits upward. The word “prevailed” suggests persistence, a force that overcomes and dominates. The Flood didn’t merely reach the mountains; it asserted its supremacy, climbing higher and higher, until the Earth’s greatest peaks disappeared beneath the surface. There’s a certain horror in imagining the numbers as tangible heights.
The largest recorded tsunami occurred in Alaska’s Lituya Bay on July 9, 1958, with a wave that reached an astonishing 1,720 feet high. That’s taller than the Empire State Building, a wall of water that defied imagination. Yet, if we state that the tallest thing at the time of this Flood was Mount Everest at 29,031 feet, and then add 22 feet, we are left with a staggering 29,052-foot-high wall of water. Let that sink in. The largest tsunami ever recorded, Lituya Bay’s 1,720-foot monster, was already beyond human comprehension. Yet, Noah’s Flood would have been 16.89 times larger than that cataclysm. The numbers are almost unimaginable, but that is the very point: the Flood was not just another disaster to be measured in human terms. It was judgment on a cosmic scale.
Imagine standing on Everest itself, the “roof of the world,” and still finding no safety, no dry ground, no escape. The peaks where climbers today plant their flags and boast of conquest would have been swallowed whole. When Genesis says the waters “prevailed,” it is a declaration of victory. Nature itself was overcome. And yet, even here, the waters were not random. They rose only as much as God decreed, which was 15 cubits higher. That precision demonstrates that what looks to us like chaos was, in reality, under perfect control. The same God who set boundaries for the seas in Genesis 1 is the One who allowed them to temporarily cross those boundaries in Genesis 7. Judgment was not reckless but measured.
The horror of a 29,052-foot wall of water also highlights the hope of the ark. Against such overwhelming power, humanity’s only chance was not ingenuity, not altitude, not strength, but obedience to God’s word. Noah and his family were saved because they trusted in God’s provision. The ark became the dividing line between life and death, judgment and mercy. This is where the Flood story becomes more than history; it becomes a living parable. Just as the waters of judgment once prevailed over the Earth, so does the reality of sin still prevails in our world. And just as Noah found safety in the ark, so we find safety in Christ, the greater ark. When the floodwaters of sin and death rise higher than we could ever withstand, His cross stands as our refuge.
If you would like to explore Genesis in a sustained, verse-by-verse way with space to reflect, journal, and trace how these foundational truths unfold through Scripture the Verse by Verse book expands these reflections into a unified reading experience. The book gathers these meditations into a structured journey through Genesis, designed to help readers linger in the text and engage God’s Word more deeply over time.
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