Hey there!
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Assonance:
"The tide rise, the tide falls" - Repetition of "i".
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Consonance:
"Darkness settles on roofs and walls" - Repetition of consonant sound "s".
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Personification:
"The little waves, with their soft, white hands" - Giving the waves human attributes.
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Alliteration:
"But the sea, the sea in the darkness calls" - Repeating consonant sounds "th" and "s".
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Metaphor:
"Twilight" - resembles old age or close to death.
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Imagery:
"Efface the footprints in the sand" - Shows the reader what the beach looks like.
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Best of Luck!