The answer is: God

Gen 7:16

In the grand tapestry of the flood narrative, the detail about who closed Noah's Ark door stands out as a poignant testament to divine authority and protection. In Genesis 7:16, we find God taking charge of the closing, ensuring that Noah and his family were safe from the tumultuous waters outside. This signifies that Noah was not merely protecting himself but that he was enveloped in a sacred promise—a promise that went beyond human capability.

Imagine the scene: the floodwaters rising, the animals boarding two by two, and the door to the ark sealing magnificently with the hand of the Almighty, illustrating a crucial moment of choice made by both Creator and creation. This divine closure represented not just physical safety but also the limits placed on chaos and destruction. It is less about isolation and more about a deliberate sanctuary shielded by Providence.

Interestingly, this idea echoes throughout scripture. For example, the concept of God as a refuge is woven through both the Old and the New Testaments, showcasing how followers have historically sought divine protection in perilous times. In Matthew 7:7, the act of knocking on a door (figuratively!) and having it opened is a sign of accessible fellowship—a window to divine mercy that doesn’t shut without cause.

When God personally secures the entrance to the Ark, it underscores that there is both safety and purpose within, a vessel meant for preservation and not panic. The overarching message? Trust in that kind of many-promised shelter within, as we depend not on our own strength but on something beautifully bigger!