AUG. 17: A lobster boat heads out to sea at sunrise, off Kennebunkport. Fishermen in northern New England have been catching record numbers of lobsters, but south of Cape Cod, the lobster population has plummeted to the lowest levels ever seen, in a northward shift that scientists attribute in large part to the warming of the ocean. Maine fishermen have landed more than 100 million pounds of lobster for four years in a row, by far the highest four-year haul in the state’s history.

AUG. 19: Troy Munford soaks in the waters of Sunday River in Riley Township. Munford, a tour and travel sales manager at the Sunday River Ski Resort, and many of his co-workers were enjoying an afternoon escape from work to beat the heat at the river. "The whole office played hooky," he said.

Aug. 17: Dave Conway moves across a mudflat while digging for sand worms at low tide at Cape Porpoise in Kennebunkport. Conway will use the worms as bait the next time he fishes for striped bass.

AUG. 17: A lobsterman motors through a channel between islands as he leaves Cape Porpoise Harbor in Kennebunkport.

AUG. 17: A trio of cormorants dry their wings after fishing in the waters of Cape Porpoise Harbor in Kennebunkport.

AUG. 19: Jackson Bleakley jumps from a rocky island to make a diving catch of a football tossed by his father, Jim Bleakey, on North Pond in Woodstock. The Bleakleys, of Sudbury, Mass., were seeking some relief from the heat and humidity that gripped the region this week.

AUG. 19: Peter Tirabassi of Lewiston performs a backflip with a 360-degree twist while jumping into Frenchman's Hole on Sunday River in Riley Township. Swimming holes were popular spots with people seeking relief from the heat and humidity this week.

AUG. 19: Jim Bleakley, of Sudbury, Mass., dives into North Pond in Woodstock. Robert F. Bukaty / The Associated Press