The U.S. Coast Guard on Thursday was searching for four missing fishermen in the waters off of Cape Ann in Massachusetts.

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Coast Guard members are searching for four missing fishermen off the coast of Cape Ann in Massachusetts.

Coast Guard aircraft found an overturned vessel about 7 miles northeast of Cape Ann on Thursday, officials said. The Coast Guard did not see anyone in the water.

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Michael Sai, and three others, left Hampton Harbor in New Hampshire on Wednesday morning in a 17-foot boat headed for fishing grounds near Jeffreys Ledge, about 50 miles offshore, the Coast Guard said.

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Cape Ann is about 30 miles northeast of Boston.