When the Bitter Lakes of the northern Sinai (north of the Red Sea) were deeper and connected, not yet bitter (salty), during the Ice Age (see Page titled Biblical Climate Change), that was the Yam Suph (the Sea of Reeds) through which the Israelites during the Exodus journeyed, enabled by a powerful east wind which lasted all night, having apparently exposed an east to west shallow bar in the Reed Sea for the Israelites to have crossed, the Egyptian chariots done in by the wind ceased, the water returned.