The rising waters symbolize an invading army, specifically the Babylonians, coming from the north to bring destruction upon the Philistines.
Theological significance
This imagery reflects God's sovereignty over nations and His use of them to execute judgment. It underscores the theme of divine retribution and the fulfillment of prophetic warnings.
Cultural context
In ancient Near Eastern culture, rising waters often symbolized chaos and destruction, reflecting the fear of natural disasters and invading forces.