A community of islanders are bracing themselves for an unruly storm and the poem centres on their experience during the extremities.
The quote 'this wizened Earth' connotes the idea that nature should be respected due to its wisdom
'When it blows full blast' connotes aggression and violence which shows how weather can be seen as a weapon of nature- therefore supporting the idea that nature is powerful
'Spits like a tame cat' implies that the community have been mistaken in thinking that they've tamed the wild storm, again referring to how nature is always stronger than us a humans