A lobsterman’s boat leaves a gentle wake as he motors out of a harbor on a foggy morning, Friday, July 21, 2017, in Boothbay.

A light on a dock illuminates the early morning fog on Hodgdon Island on Friday, July 21, 2017, in Boothbay.

A lobsterman backs a way from the dock to start his work day at dawn, Friday, July 21, 2017, in Boothbay.

A great blue heron stalks its prey on a calm and foggy morning, Friday, July 21, 2017, in Boothbay.