Appian of Alexandria Civil Wars 2.9.59

[59] When Postumius arrived at Brundusium Gabinius did not obey the order, but led those who were willing to go with him by way of Illyria by forced marches. Almost all of them were destroyed by the Illyrians and Caesar was obliged to endure the outrage on account of his preoccupation. Antony embarked the remainder of the army and sailed for Apollonia with a favorable wind. About noon the wind failed and twenty of Pompey’s ships, that had put out to search the sea, discovered and pursued them. There was great fear on Caesar’s vessels lest in this calm the warships of the enemy should ram them with their prows and sink them. They prepared themselves for battle and began to discharge stones and darts, when suddenly the wind sprang up stronger than before, filled their great sails unexpectedly, and enabled them to complete their voyage without fear. The pursuers were left behind and they suffered severely from the wind and waves in the narrow sea and were scattered along a harborless and rocky coast. With difficulty they captured two of Caesar’s ships that ran on a shoal. Antony brought the remainder to the port of Nymphaeum. ¹