The locations of enemy submarines in the Western Atlantic according to the U.S. Joint Intelligence Committee. Daily summary dated 28 February 1942

An item reported that according to estimates 31 u-boats were active in the Western Atlantic on the locations:

1 area Paramaribo, Surinam-Trinidad-Barbados

1 300 miles east of Barbados

5 in Caribbean (2 Aruba area 1 north west of Trinidad)

1 leaving Windward passage

1 in Mona Passage returning home

2 between Florida, USA and Cuba or Bahamas

2 within 150 miles of Cape Henry, Usa

1 60 miles south east of New York, Usa

1 near Bermuda

2 off Nova Scotia, Canada

4 to southward of Newfoundland

10 in mid Atlantic

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 80 dated 28 February 1942