The Alaska Marine Highway System’s M/V Fairweather will sail in the Upper Lynn Canal next month to cover winter holiday service gaps that arose from repair delays on other vessels serving the region.

The marine highway system was waiting on U.S. Coast Guard certifications for its service plans before releasing a revised schedule aimed at decreasing the gap.

From Friday, Dec. 7 through Sunday, Dec. 30, the Fairweather will make four runs a week between…