next day we touched at Sidon - To reach this ancient and celebrated Mediterranean port, about seventy miles north from Caesarea, in one day, they must have had a fair wind.
Julius courteously - (See on Act 27:1).
gave him liberty to go to his friends - no doubt disciples, gained, it would seem, by degrees, all along the Phoenician coast since the first preaching there (see on Act 11:19 and see on Act 21:4).
to refresh himself - which after his long confinement would not be unnecessary. Such small personal details are in this case extremely interesting.