Morning was already breaking when Jesus came to the beach and stood there. However, the disciples did not know that it was Jesus.
Joseph knew his brethren, but they did not know him.
After this, He appeared in a different form to two of them as they were walking [along the way] into the country.
When their eyes were [instantly] opened and they [clearly] recognized Him, and He vanished (departed invisibly).
On saying this, she turned around and saw Jesus standing [there], but she did not know (recognize) that it was Jesus.