Patrol info for U-641
| Departure | Arrival / Fate | Duration | ||
| 31 Aug 1943 | St. Nazaire | 1 Sep 1943 | St. Nazaire | 2 days |
| 4 Sep 1943 | St. Nazaire | 18 Oct 1943 | St. Nazaire | 45 days |
| 47 days | ||||
Commander | Officers * |
 Kptlt. Horst Rendtel |
Daily positions, sinkings and allied attacks during the patrol of U-641
We have daily positions for all 47 days on this patrol.
Departure from St. Nazaire on 31 Aug 1943.
Arrival at St. Nazaire on 1 Sep 1943.
Departure from St. Nazaire on 4 Sep 1943.
5 Sep 1943 - 6 Sep 1943 - 7 Sep 1943 - 8 Sep 1943 - 9 Sep 1943 - 10 Sep 1943 - 11 Sep 1943 - 12 Sep 1943 - 13 Sep 1943 - 14 Sep 1943 - 15 Sep 1943 - 16 Sep 1943 - 17 Sep 1943 - 18 Sep 1943 - 19 Sep 1943 - 20 Sep 1943 - 21 Sep 1943 - 22 Sep 1943 - 23 Sep 1943 - 24 Sep 1943 - 25 Sep 1943 - 26 Sep 1943 - 27 Sep 1943 - 28 Sep 1943 - 29 Sep 1943 - 30 Sep 1943 - 1 Oct 1943 - 2 Oct 1943 - 3 Oct 1943 - 4 Oct 1943 - 5 Oct 1943 - 6 Oct 1943 - 7 Oct 1943 - 8 Oct 1943 - 9 Oct 1943 - 10 Oct 1943 - 11 Oct 1943 - 12 Oct 1943 - 13 Oct 1943 - 14 Oct 1943 - 15 Oct 1943 - 16 Oct 1943 - 17 Oct 1943 -
Arrival at St. Nazaire on 18 Oct 1943.
Wolfpack operations during this patrol
U-641 operated with the following Wolfpacks during this patrol
Leuthen (15 Sep 1943 - 24 Sep 1943)
Rossbach (24 Sep 1943 - 9 Oct 1943)
Ships hit by U-641 during this patrol
General Events during this patrol
We have no events listed for this patrol.
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Attacks on U-641 during this patrol
We have no recorded attacks on U-641 duing this patrol.
If you believe we have omitted an attack on U-641 please let us know.
See all patrols for U-641
* These are officers that later became commanders themselves.