New Defender's Study Bible Notes
1:6 call upon thy God. The mariners were evidently recruits from various nations, for each had his own “god” (Jonah 1:5). Yet they somehow sensed, perhaps by his calm demeanor, that Jonah’s God was more powerful than theirs. They were no doubt accustomed to storms at sea, but this one was so uniquely severe that they had to assume there was a special cause.