Thus saith the LORD; Behold, waters rise up out of the north, and shall be an overflowing flood, and shall overflow the land, and all that is therein; the city, and them that dwell therein: then the men shall cry, and all the inhabitants of the land shall howl.
Waters rise up out of the north - (Isaiah 8:7). The Chaldeans from the north are compared to the overwhelming waters of their own Euphrates. The smiting of Gaza was to be only the prelude of a greater disaster to the Philistines. Nebuzaradan was left by Nebuchadnezzer, after he had taken Jerusalem, to subdue the rest of the adjoining cities and country.