 Equipped with specialized meteorological instruments, "Manhasset" joined the weather patrol in the North Atlantic Ocean to gather vital weather information used in compiling forecasts for Allied European operations against the Axis.She braved the dangers of stormy seas and the menace of German U-boats while operating her assigned and isolated patrol areas out of Argentia, Newfoundland, and Boston, Massachusetts.She averaged about one patrol a month, usually about three weeks long.