John 6:18
King James Version
And the sea arose by reason of a great wind that blew.
John 6:18 in context
John 6:16
And when even was now come, his disciples went down unto the sea,
John 6:17
And entered into a ship, and went over the sea toward Capernaum. And it was now dark, and Jesus was not come to them.
John 6:19
So when they had rowed about five and twenty or thirty furlongs, they see Jesus walking on the sea, and drawing nigh unto the ship: and they were afraid.
John 6:20
But he saith unto them, It is I; be not afraid.