(16-20) The prominence given to Joseph is a feature common to the Asaphic psalm. With this magnificent lyric of the passage of the Red Sea comp. Habakkuk 3:10-11. The narrative in Exodus says nothing of a storm, but Josephus has preserved the tradition (Ant., 2:16. 3). Philo also mentions the storm.
Related Commentaries of Psalms 77:16
Psalms 77:16-20
16 The waters saw thee, O God, the waters saw thee; they were afraid: the depths also were troubled.
17 The clouds poured out water: the skies sent out a sound: thine arrows also went abroad.
18 The voice of thy thunder was in the heaven: the lightnings lightened the world: the earth trembled and shook.
19 Thy way is in the sea, and thy path in the great waters, and thy footsteps are not known.
20 Thou leddest thy people like a flock by the hand of Moses and Aaron.