As noted in the regular Turn Updates, there was a significantly increased amount of ship traffic in excess of the usual, both due to the decision to increase security and ship movement towards Albion as well as a majorly energetic shipping/fishing industry due to the approval of the Cult of Manann. Which was also noted, in said Turn Results, to be the reason for going 'ah, jeez, this helps explain how things got the way they did'. The Salkalten Guard are spread throughout the northern coast, they aren't actually fully restricted to just Salkalten. Ships were leaving and coming in throughout the party, industry does not cease for that sort of thing. Furthermore, the emphasis on Magnus managing a robust decentralized system means that even before the party he had orders written out and prepared for people to take and head off to do once they sobered up, then they continued communicating with one another and organizing further pushes and deployments as required by the various situations encountered. They left in a staggered hungover mass. The people of Salkalten were busy with the party, the aftermath, and the constant ships traveling this way and that.
It's not like they were doing a bombastic rendition of
Or anything like that.