Here you will find the Poem Night and Morning of poet Ronald Stuart Thomas
One night of tempest I arose and went Along the Menai shore on dreaming bent; The wind was strong, and savage swung the tide, And the waves blustered on Caernarfon side. But on the morrow, when I passed that way, On Menai shore the hush of heaven lay; The wind was gentle and the sea a flower And the sun slumbered on Caernarfon tower.