Weird. But he was underwater? You don't necessarily think of the firmament being completely around the earth...you tend to think of it above the earth....or am I missing something?

And God said, Let there be a firmament in the midst of the waters, and let it divide the waters from the waters. And God made the firmament, and divided the waters which were under the firmament from the waters which were above the firmament: and it was so. And God called the firmament Heaven. And the evening and the morning were the second day.
heres the passage