Exodus 14:2

14:2 “Tell the Israelites that they must turn and camp before Pi-hahiroth, between Migdol and the sea; you are to camp by the sea before Baal Zephon opposite it.

Exodus 14:16

14:16 And as for you, lift up your staff and extend your hand toward the sea and divide it, so that the Israelites may go through the middle of the sea on dry ground.