Contradiction with Genesis 9:11
This verse speaks of God’s covenant to never flood the earth again, while Isaiah 21:1 describes a destructive vision involving the sea.
Genesis 9:11: And I will establish my covenant with you; neither shall all flesh be cut off any more by the waters of a flood; neither shall there any more be a flood to destroy the earth.
Contradiction with Isaiah 2:4
This verse talks about peace and the end of war, in contrast to the tumultuous vision in Isaiah 21:1.
Isaiah 2:4: And he shall judge among the nations, and shall rebuke many people: and they shall beat their swords into plowshares, and their spears into pruninghooks: nation shall not lift up sword against nation, neither shall they learn war any more. [pruninghooks: or, scythes]
Contradiction with Revelation 21:4
This verse describes a future without pain or suffering, contradicting the distress depicted in Isaiah 21:1.
Revelation 21:4: And God shall wipe away all tears from their eyes; and there shall be no more death, neither sorrow, nor crying, neither shall there be any more pain: for the former things are passed away.