Firstly it is more like 14000 years, and scientists have uncovered evidence of world floods at about the time of the flood of Noah ( before 6000 years)There was a day, according to the Scriptures, and I believe it wholeheartedly, that God parted a sea. A very deep sea. He held that sea open and both the author of the book of the Exodus and Miriam explain that the water stood as a wall on both the right hand and the left hand of the Israelites as they passed through on dry ground.
Do you know that's impossible? We've had water with us from the beginning of this created realm and one of the laws of water that has withstood the test of time for all of those 6,000 years is that water seeks to level itself. It has to! There is not a human being alive that can command, make, devise water to stand unaided like a wall. It's also one of the reasons that we know that the flood had to be global. There's no possible way that water could have flooded some local region with enough water to cover every high ground within that region, and then remained flooding the region for 6 months. Why? Because water seeks to level itself. There is no place on the face of the earth built as a bowl that would have held that description of the water of the flood in some local region. There are always valleys and low lands that water will run through seeking level even in the most dense mountain ranges of the earth.
There are humans alive that can command water and the seas and the storm to calm and be peaceful, if we can believe that nothing shall be impossible to us.
Luke 1:37 For with God nothing shall be impossible.
Matthew 17:20 And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you.
Matthew 8:27 But the men marvelled, saying, What manner of man is this, that even the winds and the sea obey him!
John 14:12 Verily, verily, I say unto you, He that believeth on me, the works that I do shall he do also; and greater works than these shall he do; because I go unto my Father.