Ut pelagus tenuere rates nec iam amplius ulla occurrit tellus, maria undique et undique caelum, olli caeruleus supra caput adstitit imber, noctem hiememque ferens, et inhorruit unda tenebris.
When the ships reached the deep sea with no land in sight, and the sky surrounded them on all sides, a black rain cloud appeared overhead, bringing darkness and a storm, causing the waves to be turbulent and black.