The flood of Noah was real, but did not cover the entire earth. The Hebrew word "erets" means land or earth. Many times when the bible says the whole earth was covered, it should say the whole land was covered. There are a number of mistranslated words to protect the existing church doctrine of the day. Gentiles should always read nations. Many times those nations were the ten Tribes of Israel. Moon where it should be month, rest where it should read Sabbath, Jew where it should read Judah or Judean and several others. The modern day Jews are not, and have never been, God's Israel people as proven by the bible, history and Jewish writings.

Flood idea was stolen from the epic of Gilgamesh.