Enemy submarines active in the Trinidad vicinity according to the U.S. Joint Intelligence Committee. Daily summary dated 7 August 1942

An item reported that most of the attacks by enemy submarines in July were in Trinidad vicinity mostly to the eastward. Most of the other attacks were scattered over a greater part of the area westward the longitude of the Azores and northward about the latitude of Paramaribo, Surinam. It was believed that on 6 August 8 enemy submarines (including 3 Italian) were present within a radius of around 800 nautical mils to the eastward of Trinidad. This was the largest concentration.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 240 dated 7 August 1942.