At Cana, the wedding party (and the physical nation) had water for purification rites, but the wedding feast (and the nation) lacked the all-important wine.
Why did Jesus provide exactly 153 fish? Apparently, the number stuck in John's mind for decades. This number must hold some significance, but what is it?
The first sign in the book of John corrected the physical need for wine; the eighth sign of 153 fish corrected a spiritual need on the part of God's people.
John 21 contains a strong lesson about our part of our Father's business. It begins with a significant miracle, the eighth sign found in the book of John.
Why did Jesus provide precisely 153 fish? Few commentaries suggest any explanation for the number, and fewer still advance a theory of any substance.