>> It was always overcast, only VERY heavy overcast. And a lot of that water is what makes up our oceans today. <<
Overcast? Try a black 1,000 times darker than you could ever begin to imagine. And an atmospheric pressure of millions of times the present pressure.
I mean before the flood, not before the creation of man. :-)
"Millions"??
That's a magnitude of atmosphere that dwarfs Venus.