What does Psalm 18:15 mean?
In this passage, David has used dramatic metaphors to explain the awesome power of God (Psalm 18:7–14). This is part of David's song of praise, thanking the Lord for victory over David's enemies (2 Samuel 22:1).The imagery given here implies God's rebuke. His breath can blast the waters of sea apart to the point that the sea floor is exposed. This connects to the description of Israel's miraculous rescue at the Red Sea, where God exposed the land, allowing the people to walk across (Exodus 14:15, 22). That was accomplished, in part, by a blast of wind (Exodus 14:21).
Psalm 29 indicates that God's voice breaks the strong cedars of Lebanon, causes Lebanon to skip like a calf, shakes the wilderness, and strips the forests bare. This description agrees with David's description of the powerful changes to sea and land that occur at the Lord's rebuke and at the blast of His nostrils. Heaven and earth serve God's purposes, and He has complete authority and control over them.
The judgments described in Revelation include those that involve the Lord's use of the sea, rivers, springs, wind, crops, sun, and moon, as the Lord releases His wrath on the wicked (Revelation 6).