And the LORD turned a mighty strong west wind, which took away the locusts, and cast them into the Red sea; there remained not one locust in all the coasts of Egypt. A mighty strong west wind - רוח ים ruach yam, literally the wind of the sea; the wind that blew from the Mediterranean Sea, which lay north-west of Egypt, which had the Red Sea on the east. Here again God works by natural means; he brought the locusts by the east wind, and took them away by the west or north-west wind, which carried them to the Red Sea where they were drowned.
The Red Sea - ים סוף yam suph, the weedy sea; so called, as some suppose, from the great quantity of alga or sea-weed which grows in it and about its shores. But Mr. Bruce, who has sailed the whole extent of it, declares that he never saw in it a weed of any kind; and supposes it has its name suph from the vast quantity of coral which grows in it, as trees and plants do on land. "One of these," he observes, "from a root nearly central, threw out ramifications in a nearly circular form measuring twenty-six feet diameter every way." - Travels, vol. ii., p. 138. In the Septuagint it is called θαλασσα ερυθρα, the Red Sea, from which version we have borrowed the name; and Mr. Bruce supposes that it had this name from Edom or Esau, whose territories extended to its coasts; for it is well known that the word אדם Edom in Hebrew signifies red or ruddy. The Red Sea, called also the Arabic Gulf, separates Arabia from Upper Ethiopia and part of Egypt. It is computed to be three hundred and fifty leagues in length from Suez to the Straits of Babelmandel, and is about forty leagues in breadth. It is not very tempestuous, and the winds usually blow from north to south, and from south to north, six months in the year; and, like the monsoons of India, invariably determine the seasons of sailing into or out of this sea. It is divided into two gulfs: that to the east called the Elanitic Gulf, from the city of Elana to the north end of it; and that to the west called the Heroopolitan Gulf, from the city of Heroopolis; the former of which belongs to Arabia, the latter to Egypt. The Heroopolitan Gulf is called by the Arabians Bahr el Kolzum, the sea of destruction, or of Clysmae, an ancient town in that quarter; and the Elanitic Gulf Bahr el Akaba, the sea of Akaba, a town situated on its most inland point.