While Jesus and his disciples were in a boat crossing a lake (possibly the Sea of Galilee), a storm frightened his disciples while Jesus slept. They awoke Jesus, fearful that the storm would harm them. Jesus then miraculously calmed the storm.
As explained in the Gospel of Matthew:
23 When he got into a boat, his disciples followed him. 24 Behold, a violent storm came up on the sea, so much that the boat was covered with the waves; but he was asleep. 25 The disciples came to him and woke him up, saying, “Save us, Lord! We are dying!”
26 He said to them, “Why are you fearful, O you of little faith?” Then he got up, rebuked the wind and the sea, and there was a great calm.
27 The men marveled, saying, “What kind of man is this, that even the wind and the sea obey him?” (Matthew 8:23-27, WEB)
Read more in the book Jesus the Miracle Worker: The 50 miracles of Jesus explained in chronological order (The Jesus Series) -- now available at amazon.
Next: 19. Healing the Gerasene demon-possessed man (Matthew 8:28-32, Mark 5:1-13, Luke 8:26-33)