Jonah 1:15-16

15, 16. The prayer ended, they cast Jonah out, and immediately the sea grew calm.

The men feared Jehovah exceedingly The sudden cessation of the tempest was unfailing evidence that the God of Jonah was the God (Mark 4:41). In his presence they were utterly helpless, and they were still more afraid (Jonah 1:10).

Offered a sacrifice Immediately. Partly to express their gratitude and partly to receive the good will and favor of Jehovah.

Made vows The things which they might consider necessary for suitable sacrifices to this powerful God may have been scanty on the ship, therefore, they promise that on the safe completion of the voyage they will bring additional and richer gifts. Nothing more is heard of the sailors.