And the LORD turned a very strong west wind, which took the locusts away and blew them into the Red Sea. There remained not one locust in all the territory of Egypt.
Exodus 10:19
Surrounding context
10:18 So he went out from Pharaoh and entreated the LORD.
10:19 And the LORD turned a very strong west wind, which took the locusts away and blew them into the Red Sea. There remained not one locust in all the territory of Egypt.
10:20 But the LORD hardened Pharaoh's heart, and he did not let the children of Israel go.