According to Eliot, the society has superficial, tedious social routines. He describes it as an unpleasant modern world.
Prufrock is a shy, lonely, insecure, middle-aged individual. The poem offers us a direct insight into his confused, questing, wandering mind. He appears trapped in his own thoughts, unable to freely communicate with others, wandering aimlessly from one subject to another.
It turns out he was asleep/daydreaming in the ocean, but all of a sudden he is woken up by "human voices." Unfortunately, as soon as he wakes up, he drowns in the salty ocean.