en_tn_condensed/psa/107/025.md

he commanded and aroused the windstorm that stirs up the seas

"he commanded the wind and caused it become a great windstorm that stirred up the sea"

windstorm

a strong wind, like the wind that accompanies a strong rain storm

that stirs up the seas

Here David describes the winds causing the waves to become high as if the wind was an object fiercely stirring something. Alternate translation: "that caused the waves of the sea to become very high" (See: rc://en/ta/man/translate/figs-metaphor)