What is happening in Exodus 15?
Moses and Israel sing about God’s victory over Egypt, and Miriam leads the women in celebration. Then Israel travels three days without finding water. At Marah the water is bitter, the people complain, and God shows Moses how the water can become drinkable. The journey continues to Elim. The chapter intentionally places triumphant worship beside immediate testing, showing that a dramatic experience of deliverance does not remove the need for daily trust.
Israel sings
The people turn the sea rescue into worship and testimony. Rescue from Egypt leads toward covenant, land, and God dwelling among His people.
God is praised as warrior and king
The song emphasizes that Pharaoh’s power could not stand before the LORD. The song uses warrior imagery to describe God defeating Pharaoh’s chariots and army.
The song looks ahead
Israel expects God to bring His people to the place of His dwelling. It also speaks of God bringing the people to His mountain and sanctuary.
Miriam leads the women
Miriam the prophetess answers the song with tambourines and dancing. Miriam, identified as Aaron’s sister and a prophetess, takes a tambourine, and the women follow her with tambourines and dances.
Marah tests Israel
After three days without water, the only water found is bitter. After the song, Moses leads Israel into the wilderness of Shur.
God provides
God makes the water drinkable and then leads the people to the well-watered oasis of Elim. The chapter ends at Elim, where there are twelve springs and seventy palm trees, and Israel camps by the water.
Exodus 15 answers the sea crossing with a song celebrating the LORD as warrior and king, then moves into the wilderness where Israel’s first water crisis teaches that the God who saves must also be trusted for daily provision.
The Song of the Sea and the Waters of Marah
The first half of Exodus 15 is poetry. Israel does not merely move on after the sea; the people interpret what happened through worship. The song describes the LORD as incomparable, holy, powerful, and committed to bringing His redeemed people to His dwelling.
The mood then changes sharply. Within three days the people cannot find drinkable water. The chapter intentionally places triumphant worship beside immediate testing, showing that a dramatic experience of deliverance does not remove the need for daily trust.
“I will sing unto the LORD”
Moses and the Israelites sing because the LORD has triumphed gloriously. The horse and rider have been thrown into the sea.
The song makes clear how Israel understands the preceding chapter: the victory belongs to God. Worship becomes theological interpretation of history.
“The LORD is a man of war”
The song uses warrior imagery to describe God defeating Pharaoh’s chariots and army. In its ancient setting, kings and armies claimed power through military force; Exodus says Israel’s God is the true victor.
The language should be read within the context of deliverance from violent oppression, not as a general command for Israel to glorify human warfare.
God’s right hand
Repeated references to the LORD’s right hand symbolize power and victorious action. The waters cover the enemy, and opposition is shattered.
Biblical poetry often speaks in vivid bodily images about God. Such language communicates action and power without requiring the conclusion that God has a human physical body.
“Who is like unto thee?”
The song asks who among the gods is like the LORD—glorious in holiness, fearful in praises, doing wonders.
This is a confession of incomparability. The plague story has demonstrated that the God of Israel cannot be treated as merely one local deity among competing powers.
The song looks toward the land and sanctuary
The poem moves beyond the sea and anticipates surrounding peoples hearing, trembling, and becoming afraid as Israel advances toward the promised land. It also speaks of God bringing the people to His mountain and sanctuary.
That forward-looking language is important because the Exodus is not the destination. Rescue from Egypt leads toward covenant, land, and God dwelling among His people.
“The LORD shall reign for ever and ever”
The song closes its main movement by proclaiming the LORD’s enduring kingship. Pharaoh claimed authority over Israel; the Exodus reveals a higher king.
The conflict with Pharaoh is therefore theological as well as political: who truly rules, and whose people is Israel?
Miriam the prophetess
Miriam, identified as Aaron’s sister and a prophetess, takes a tambourine, and the women follow her with tambourines and dances. She leads a refrain celebrating the LORD’s triumph.
This is one of the earliest explicit references to a female prophet in Scripture. Her role is public and worshipful, interpreting God’s deliverance with the community.
Three days without water
After the song, Moses leads Israel into the wilderness of Shur. They travel three days without finding water.
The abrupt transition is deliberate. People who have just sung about God’s incomparable power now face ordinary human thirst. Great victories do not eliminate future dependence.
The bitter waters of Marah
When they find water, it is bitter and cannot be drunk. The place is therefore called Marah, meaning “bitter.” The people ask Moses what they are supposed to drink.
Moses cries to the LORD, and God shows him a piece of wood or tree that he casts into the water, making it drinkable. The text emphasizes God’s instruction and provision rather than giving a chemical explanation.
A statute and a test
At Marah God gives Israel a principle of listening: if they diligently heed His voice and do what is right, they will experience Him as the LORD who heals.
The verse belongs to Israel’s covenant-training context and should not be reduced to a simplistic promise that faithful people will never become sick. It presents God as Israel’s healer and calls the redeemed people to obedience.
Elim
The chapter ends at Elim, where there are twelve springs and seventy palm trees, and Israel camps by the water.
Marah is not the whole story. After scarcity and testing comes abundant provision, reminding the reader that the wilderness contains both hardship and God’s care.
Exodus 15 answers the sea crossing with a song celebrating the LORD as warrior and king, then moves into the wilderness where Israel’s first water crisis teaches that the God who saves must also be trusted for daily provision.