A violent, storm-driven tide is pictured as a living, grasping force—its waves clutch at the gritty beach and burst like lava, while black ships are hurled across its surface. The speaker addresses the tide directly, almost as if it were a destructive god or fate. There is little comfort here: ships fail, men sink, and human glory simply vanishes. The closing lines widen the disaster, connecting the sea’s fury to war-clouds, stinging sleet, and night winds that turn the whole story bitter and tragic.
The mood is wild, ominous, and resigned. The speaker feels awe at the tide’s power but also a deep fatalism, as though human effort means very little against such forces. Rather than offering hope, the poem leaves behind an impression of inevitable loss, with nature and war speaking the same unforgiving language.