On August 3d a bus schedule to Ísafjörður from Hólmavík will start. It will be on Sundays and Fridays.
Check out all bus connection with Hólmavík on this link, including Ísafjörður.
Upplýsingamiðstöð ferðamála - Hólmavík - The Tourist Information Center in Holmavik
Höfðagata 8+354 451 3111