21 Then Moses stretched out his hand over the sea, and the Lord drove the sea back by a strong east wind all night and made the sea dry land, and the waters were divided. 22 And the people of Israel went into the midst of the sea on dry ground, the waters being a wall to them on their right hand and on their left. 23 The Egyptians pursued and went in after them into the midst of the sea, all Pharaoh's horses, his chariots, and his horsemen. 24 And in the morning watch the Lord in the pillar of fire and of cloud looked down on the Egyptian forces and threw the Egyptian forces into a panic, 25 clogging[1] their chariot wheels so that they drove heavily. And the Egyptians said, "Let us flee from before Israel, for the Lord fights for them against the Egyptians." 26 Then the Lord said to Moses, "Stretch out your hand over the sea, that the water may come back upon the Egyptians, upon their chariots, and upon their horsemen." 27 So Moses stretched out his hand over the sea, and the sea returned to its normal course when the morning appeared. And as the Egyptians fled into it, the Lord threw[2] the Egyptians into the midst of the sea. 28 The waters returned and covered the chariots and the horsemen; of all the host of Pharaoh that had followed them into the sea, not one of them remained.

Matthew Henry's Commentary on Exodus 14:21-28

Commentary on Exodus 14:21-31

(Read Exodus 14:21-31)

The dividing the Red sea was the terror of the Canaanites, Isaiah 11:15; and the Egyptians being drowned in it was typical of the final ruin of all unrepenting sinners. God showed his almighty power, by opening a passage through the waters, some miles over. God can bring his people through the greatest difficulties, and force a way where he does not find it. It was an instance of his wonderful favour to his Israel. They went through the sea, they walked upon dry land in the midst of the sea. This was done, in order to encourage God's people in all ages to trust him in the greatest straits. What cannot he do who did this? What will not he do for those that fear and love him, who did this for these murmuring, unbelieving Israelites? Then followed the just and righteous wrath of God upon his and his people's enemies. The ruin of sinners is brought on by their own rage and presumption. They might have let Israel alone, and would not; now they would flee from the face of Israel, and cannot. Men will not be convinced, till it is too late, that those who meddle with God's people, meddle to their own hurt. Moses was ordered to stretch out his hand over the sea; the waters returned, and overwhelmed all the host of the Egyptians. Pharaoh and his servants, who had hardened one another in sin, now fell together, not one escaped. The Israelites saw the Egyptians dead upon the sands. The sight very much affected them. While men see God's works, and feel the benefit, they fear him and trust in him. How well were it for us, if we were always in as good a frame as sometimes! Behold the end to which a Christian may look forward. His enemies rage, and are mighty; but while he holds fast by God, he shall pass the waves in safety guarded by that very power of his Saviour, which shall come down on every spiritual foe. The enemies of his soul whom he hath seen to-day, he shall see no more for ever.