Large number of enemy submarines active in the western Atlantic Ocean according to the U.S. Joint Intelligence Committee. Daily summary dated 27 August 1942

An item reported that by 26 August apparently around 58 enemy submarines were active in the western part of the Atlantic Ocean from the longitude of the Azores westward. Their estimated location were 11 to the eastward of Newfoundland, 8 within 300 miles to the east- and southward of Nova Scotia, 1 in the Gulf of Maine, 1 between Savannah and Bermuda, 1 in the northwestern part of the Gulf of Mexico, 9 in the area of the Florida Straits-Central Caribbean, 10 within 1,000 miles to the eastward of the Lesser Antilles, 5 off the Brazilian coast south of Natal (1 off Natal, 3 of Bahia and 1 of Santos) and finally 12 in longitudes from Bermuda eastward,

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 260 dated 27 August 1942.