The children of Israel lived in the Nile delta area or the land of Rameses, and first encamped at the northern end of the Gulf of Suez or Succoth at the beginning of the Exodus.  This was the first point where they went into the camping mode.  Then they traveled through the wilderness of the Red Sea, or what we call today the Sinai Peninsula, and after three days of fast traveling they encountered the Gulf of Aqaba at Nuweiba Egypt.  (I Kings 9:26 calls the Gulf of Aqaba Yam-Suf or the Red Sea.)   When traveling through "the wilderness of the Red Sea" Ex.13:18, escaping Pharaoh's army, God told Moses to turn south, so they headed through a wadi or canyon area that is called the Wadi Watir which led to the sea. 

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