John 6:22

On the next day the crowd that had stayed on the other [i.e., east] side of the lake realized that there had been only one boat there. They [also] knew that Jesus was not aboard the boat when it left with the disciples in it, but that they had left without Him.

Matthew 14:22

Then immediately Jesus ordered the disciples to enter the boat and row on ahead of Him to the other side [i.e., to the west side of Lake Galilee] until He could send the crowds away.

Mark 6:45

And about then Jesus compelled His disciples to get into a boat and go on ahead of Him to the other side [i.e., to the west side of Lake Galilee] to Bethsaida [Note: This was apparently a different "Bethsaida" from the one mentioned in Luke 9:10, which was on the east side of Lake Galilee], while He Himself sent the crowd away.

John 6:2

And a large crowd followed Him because they had seen the [miraculous] signs He had performed on sick people.

John 6:15-21

So, [when] Jesus knew that the people were about to come and forcibly take Him and make Him [their] king, He left there again and went to the high plateau [to be] alone [i.e., to pray. See Mark 6:46].

Treasury of Scripture Knowledge

Summary

The day following, when the people which stood on the other side of the sea saw that there was none other boat there, save that one whereinto his disciples were entered, and that Jesus went not with his disciples into the boat, but that his disciples were gone away alone;

Bible References

But

John 6:16
Then when evening came, His disciples went down to the lake
Matthew 14:22
Then immediately Jesus ordered the disciples to enter the boat and row on ahead of Him to the other side [i.e., to the west side of Lake Galilee] until He could send the crowds away.
Mark 6:45
And about then Jesus compelled His disciples to get into a boat and go on ahead of Him to the other side [i.e., to the west side of Lake Galilee] to Bethsaida [Note: This was apparently a different "Bethsaida" from the one mentioned in Luke 9:10, which was on the east side of Lake Galilee], while He Himself sent the crowd away.