A cry from the absolute depths of despair can sometimes carry the greatest certainty of salvation. Even as Jonah speaks of his rescue as a completed event, he expresses a profound, absolute trust that God will answer him. Having survived inside the belly of a fish for several days, Jonah realizes his life is being preserved for a reason. This miraculous survival guarantees his safe return [רד״ק, מצודת דוד]. Furthermore, with his prophetic insight, he senses clearly that his prayer has already been accepted by God [ביאור שטיינזלץ].
The journey to this desperate prayer involves a profound psychological shift. The prayer unfolds in stages, reflecting the different moments Jonah is thrown into the sea, swallowed by different fish, and ultimately saved [מלבי״ם]. Initially, when swallowed by a male fish, Jonah simply accepts his impending death and chooses not to pray. However, his situation changes when he is transferred into the belly of a female fish. Here, the space is much tighter and far more agonizing. This physical distress awakens him to a new reality: his continued survival and the sudden worsening of his conditions are not random. Rather, God desires his prayer, using this new, intense suffering to push him to finally cry out for salvation [חומת אנך].
Prompted by the crushing agony inside the female fish, Jonah finally screams out to God [חומת אנך]. He describes his location as the deepest possible abyss, the exact opposite of the heights of heaven [אבן עזרא]. The confines of the fish feel like the very depths of the grave, a place of total destruction threatening to consume him [רש״י, מצודת דוד, מלבי״ם, מצודת ציון]. Yet, even while trapped in these dark, suffocating depths, Jonah reaches a state of complete faith. He concludes his plea with absolute confidence, knowing without a doubt that God has heard his voice [מצודת דוד].