George Zarate, 73, of South Portland rests on the sand after swimming at Crescent Beach State Park on Saturday. “I come here all the time,” he said. “It’s close to home.” Zarate, who is originally from Peru, grew up swimming in high-altitude rivers in the Andes Mountains. For that reason, he likes the water temperature. “Today is perfect,” he said. “It’s nice and icy.”

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