The ZG convoys were a series of Caribbean convoys which ran during the Battle of the Atlantic in World War II.[1]

ZG convoys
View of a convoy during the Second World War.
TypeZG Convoys
Location
Planned141
ObjectiveMerchant convoys between Cristóbal, Colón, Panama, and Guantanamo Bay, Cuba
DateAugust 1942 (1942-08) to May 1945 (1945-05)
ZG convoys is located in Caribbean
Guantanamo Bay
Guantanamo Bay
Cristóbal, Colón, Panama
Cristóbal, Colón, Panama
Ports of call for ZG convoys

They take their name from the route: Cristóbal, Colón, Panama to Guantanamo, Cuba.[1]

Overview

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The ZG series was the reverse of GZ series that ran from 31 August 1942 until 7 May 1945. There were 141 ZG convoys, comprising 950 individual ship listings and 86 escort ships listed. Almost all ships listed in a convoy made the complete trip between Cristóbal and Guantanamo with a few going to Kingston, Jamaica.[1]

The series started with ZG 1 through ZG 139. There are no ships listed as being lost.[1]

Convoy list

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1942

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Convoy[1] Departure
Date
Arrival
Date
No.of Merchant Ships No.of Escort Ships Notes
ZG 1 31 August 1942 5 September 1942 10 5 0 vessels lost
ZG 2 7 September 1942 11 September 1942 15 5 0 vessels lost
ZG 3 14 September 1942 17 September 1942 8 5 0 vessels lost
ZG 4 20 September 1942 25 September 1942 8 7 0 vessels lost
ZG 5 28 September 1942 3 October 1942 9 6 0 vessels lost
ZG 6 5 October 1942 9 October 1942 11 6 0 vessels lost
ZG 7 9 October 1942 12 October 1942 5 5 0 vessels lost
ZG 8 17 October 1942 21 October 1942 18 6 0 vessels lost
ZG 9 25 October 1942 29 October 1942 17 7 0 vessels lost
ZG 10 2 November 1942 5 November 1942 9 5 0 vessels lost
ZG 11 11 November 1942 14 November 1942 14 7 0 vessels lost
ZG 12 18 November 1942 22 November 1942 8 6 0 vessels lost
ZG 13 26 November 1942 30 November 1942 13 6 0 vessels lost
ZG 14 4 December 1942 8 December 1942 15 7 0 vessels lost
ZG 15 12 December 1942 16 December 1942 16 4 0 vessels lost
ZG 16 20 December 1942 24 December 1942 14 4 0 vessels lost
ZG 17 28 December 1942 1 January 1943 17 4 0 vessels lost

1943

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Convoy[1] Departure
Date
Arrival
Date
No.of Merchant Ships No.of Escort Ships Notes
ZG 18 4 January 1943 8 January 1943 8 5 0 vessels lost
ZG 19 16 January 1943 20 January 1943 23 5 0 vessels lost
ZG 20 24 January 1943 28 January 1943 24 5 0 vessels lost
ZG 21 3 February 1943 7 February 1943 16 5 0 vessels lost
ZG 22 13 February 1943 17 February 1943 22 5 0 vessels lost
ZG 23 23 February 1943 28 February 1943 1 6 0 vessels lost
ZG 24 5 March 1943 9 March 1943 28 5 0 vessels lost
ZG 25 15 March 1943 19 March 1943 19 6 0 vessels lost
ZG 26 25 March 1943 29 March 1943 18 8 0 vessels lost
ZG 27 4 April 1943 8 April 1943 26 8 0 vessels lost
ZG 28 14 April 1943 18 April 1943 25 5 0 vessels lost
ZG 29 24 April 1943 28 April 1943 24 8 0 vessels lost
ZG 30 4 May 1943 8 May 1943 11 6 0 vessels lost
ZG 31 14 May 1943 18 May 1943 14 7 0 vessels lost
ZG 32 24 May 1943 28 May 1943 14 9 0 vessels lost
ZG 33 3 June 1943 7 June 1943 10 10 0 vessels lost
ZG 34 13 June 1943 17 June 1943 11 11 0 vessels lost
ZG 35 23 June 1943 27 June 1943 18 7 0 vessels lost
ZG 36 3 July 1943 7 July 1943 8 9 0 vessels lost
ZG 37 13 July 1943 17 July 1943 7 13 0 vessels lost
ZG 38 23 July 1943 27 July 1943 8 7 0 vessels lost
ZG 39 2 August 1943 6 August 1943 14 5 0 vessels lost
ZG 40 12 August 1943 16 August 1943 5 7 0 vessels lost
ZG 41 22 August 1943 26 August 1943 7 6 0 vessels lost
ZG 42 1 September 1943 5 September 1943 4 6 0 vessels lost
ZG 43 11 September 1943 15 September 1943 3 5 0 vessels lost
ZG 44 21 September 1943 23 September 1943 3 5 0 vessels lost
ZG 45 1 October 1943 4 October 1943 3 5 0 vessels lost
ZG 46 11 October 1943 15 October 1943 4 6 0 vessels lost
ZG 47 21 October 1943 24 October 1943 1 5 0 vessels lost
ZG 48 31 October 1943 4 November 1943 3 5 0 vessels lost
ZG 49 10 November 1943 12 November 1943 2 5 0 vessels lost
ZG 50 20 November 1943 24 November 1943 1 5 0 vessels lost
ZG 51 30 November 1943 4 December 1943 11 0 0 vessels lost
ZG 52 10 December 1943 14 December 1943 12 0 0 vessels lost
ZG 53 20 December 1943 24 December 1943 14 0 0 vessels lost
ZG 54 30 December 1943 1 January 1944 6 0 0 vessels lost

1944

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There are no escorts list for 1944.

Convoy[1] Departure
Date
Arrival
Date
No.of Merchant Ships Notes
ZG 55 9 January 1944 13 January 1944 11 0 vessels lost
ZG 56 20 January 1944 23 January 1944 7 0 vessels lost
ZG 57 29 January 1944 2 February 1944 9 0 vessels lost
ZG 58 8 February 1944 12 February 1944 18 0 vessels lost
ZG 59 18 February 1944 22 February 1944 16 0 vessels lost
ZG 60 28 February 1944 3 March 1944 18 0 vessels lost
ZG 61 9 March 1944 14 March 1944 12 0 vessels lost
ZG 62 19 March 1944 23 March 1944 14 0 vessels lost
ZG 63 29 March 1944 2 April 1944 10 0 vessels lost
ZG 64 8 April 1944 13 April 1944 16 0 vessels lost
ZG 65 18 April 1944 22 April 1944 11 0 vessels lost
ZG 66 28 April 1944 2 May 1944 19 0 vessels lost
ZG 67 8 May 1944 12 May 1944 7 0 vessels lost
ZG 68 18 May 1944 22 May 1944 9 0 vessels lost
ZG 69 28 May 1944 31 May 1944 6 0 vessels lost
ZG 70 2 June 1944 6 June 1944 6 0 vessels lost
ZG 71 7 June 1944 10 June 1944 5 0 vessels lost
ZG 72 12 June 1944 16 June 1944 8 0 vessels lost
ZG 73 17 June 1944 20 June 1944 2 0 vessels lost
ZG 74 22 June 1944 26 June 1944 7 0 vessels lost
ZG 75 27 June 1944 2 July 1944 9 0 vessels lost
ZG 76 2 July 1944 6 July 1944 7 0 vessels lost
ZG 77 7 July 1944 10 July 1944 7 0 vessels lost
ZG 78 12 July 1944 16 July 1944 11 0 vessels lost
ZG 79 17 July 1944 21 July 1944 8 0 vessels lost
ZG 80 22 July 1944 26 July 1944 10 0 vessels lost
ZG 81 27 July 1944 30 July 1944 1 0 vessels lost
ZG 82 1 August 1944 3 August 1944 2 0 vessels lost
ZG 82A 1 August 1944 6 August 1944 3 0 vessels lost
ZG 83 6 August 1944 10 August 1944 1 0 vessels lost
ZG 84 12 August 1944 15 August 1944 1 0 vessels lost
ZG 85 Not listed Not listed Not listed
ZG 86 21 August 1944 25 August 1944 4 0 vessels lost
ZG 87 Not listed Not listed Not listed
ZG 88 31 August 1944 4 September 1944 3 0 vessels lost
ZG 89 5 September 1944 8 September 1944 3 0 vessels lost
ZG 90 10 September 1944 13 September 1944 2 0 vessels lost
ZG 91 Not listed Not listed Not listed
ZG 92 Not listed Not listed Not listed
ZG 93 25 September 1944 29 September 1944 3 0 vessels lost
ZG 94 Not listed Not listed Not listed
ZG 95 6 October 1944 9 October 1944 3 0 vessels lost
ZG 96 10 October 1944 12 October 1944 1 0 vessels lost
ZG 96A 10 October 1944 13 October 1944 1 0 vessels lost
ZG 97 15 October 1944 19 October 1944 2 0 vessels lost
ZG 98 20 October 1944 23 October 1944 1 0 vessels lost
ZG 99 25 October 1944 29 October 1944 2 0 vessels lost
ZG 100 30 October 1944 3 November 1944 4 0 vessels lost
ZG 101 Not listed Not listed Not listed
ZG 102 9 November 1944 13 November 1944 2 0 vessels lost
ZG 103 14 November 1944 17 November 1944 1 0 vessels lost
ZG 104 19 November 1944 22 November 1944 1 0 vessels lost
ZG 105 24 November 1944 28 November 1944 4 0 vessels lost
ZG 106 30 November 1944 3 December 1944 1 0 vessels lost
ZG 107 4 December 1944 7 December 1944 2 0 vessels lost
ZG 108 9 December 1944 13 December 1944 2 0 vessels lost
ZG 109 Not listed Not listed Not listed
ZG 110 19 December 1944 23 December 1944 4 0 vessels lost
ZG 111 24 December 1944 27 December 1944 1 0 vessels lost
ZG 112 29 December 1944 31 December 1944 1 0 vessels lost

1945

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There are no escorts listed for 1945.

Convoy[1] Departure
Date
Arrival
Date
No.of Merchant Ships Notes
ZG 113 3 January 1945 7 January 1945 1 0 vessels lost
ZG 114 8 January 1945 11 January 1945 1 0 vessels lost
ZG 115 13 January 1945 17 January 1945 4 0 vessels lost
ZG 116 18 January 1945 22 January 1945 2 0 vessels lost
ZG 117 23 January 1945 27 January 1945 1 0 vessels lost
ZG 118 28 January 1945 2 February 1945 3 0 vessels lost
ZG 119 2 February 1945 5 February 1945 1 0 vessels lost
ZG 120 7 February 1945 10 February 1945 2 0 vessels lost
ZG 121 Not listed Not listed Not listed
ZG 122 Not listed Not listed Not listed
ZG 123 22 February 1945 27 February 1945 2 0 vessels lost
ZG 124 27 February 1945 2 March 1945 2 0 vessels lost
ZG 125 4 March 1945 8 March 1945 2 0 vessels lost
ZG 126 9 March 1945 12 March 1945 1 0 vessels lost
ZG 127 Not listed Not listed Not listed
ZG 128 20 March 1945 23 March 1945 1 0 vessels lost
ZG 129 24 March 1945 27 March 1945 1 0 vessels lost
ZG 130 Not listed Not listed Not listed
ZG 131 3 April 1945 5 April 1945 1 0 vessels lost
ZG 132 Not listed Not listed Not listed
ZG 133 13 April 1945 17 April 1945 1 0 vessels lost
ZG 134 18 April 1945 23 April 1945 2 0 vessels lost
ZG 135 23 April 1945 27 April 1945 1 0 vessels lost
ZG 136 28 April 1945 1 May 1945 1 0 vessels lost
ZG 137 2 May 1945 7 May 1945 2 0 vessels lost
ZG 138 Not listed Not listed Not listed
ZG 139 Not listed Not listed Not listed

Citations

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  1. ^ a b c d e f g h ZG Series.

Bibliography

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Books

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  • Arnold Hague (2000). The Allied Convoy System 1939–1945. Chatham. ISBN 1-86176-147-3.
  • Rohwer, J. & Hummelchen, G. (1992). Chronology of the War at Sea 1939–1945. Naval Institute Press. ISBN 1-55750-105-X.
  • Silverstone, Paul H. (1968). U.S. Warships of World War II. Doubleday and Company.

Online resources

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