After the miraculous feeding of 5,000 men and their families (Matthew 14:16-21, Mark 6:35-44, Luke 9:12-17, John 6:5-14), Jesus told his disciples to get into a boat and go to the other side of the Sea of Galilee. He then dismissed the crowd and went up a mountain by himself to pray. Afterwards, Jesus performed a miracle of walking on water.
As explained in the Gospel of Matthew, which gives the most detailed account of the miracle in comparison to the Gospels of Mark and John:
22 Immediately Jesus made the disciples get into the boat and go ahead of him to the other side, while he sent the multitudes away. 23 After he had sent the multitudes away, he went up into the mountain by himself to pray. When evening had come, he was there alone. 24 But the boat was now in the middle of the sea, distressed by the waves, for the wind was contrary. 25 In the fourth watch of the night, Jesus came to them, walking on the sea. 26 When the disciples saw him walking on the sea, they were troubled, saying, “It’s a ghost!” and they cried out for fear. 27 But immediately Jesus spoke to them, saying, “Cheer up! It is I! Don’t be afraid.”
28 Peter answered him and said, “Lord, if it is you, command me to come to you on the waters.”
29 He said, “Come!”
Peter stepped down from the boat and walked on the waters to come to Jesus. 30 But when he saw that the wind was strong, he was afraid, and beginning to sink, he cried out, saying, “Lord, save me!”
31 Immediately Jesus stretched out his hand, took hold of him, and said to him, “You of little faith, why did you doubt?” 32 When they got up into the boat, the wind ceased. 33 Those who were in the boat came and worshiped him, saying, “You are truly the Son of God!” (Matthew 14:22-33, WEB)
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Next: 29. Healing of many in Gennesaret (Matthew 14:34-36; Mark 6:53-56)