25 Mar, 1940
HMT Northern Wave (Lt. G.P.S. Lowe, RNVR) and HMT Brontes (Cdr. T.St.V.F. Tyler (retired), RN) together pick up 29 survivors from the British tanker Daghestan that was torpedoed and sunk by the German submarine U-57 nine nautical miles east of Copinsay, Orkneys in position 58º47'N, 02º46'W.

16 Apr, 1942
HMT Northern Wave (T/Lt. W.G. Pardoe-Matthews, RNR) picks up 28 survivors from the British merchant Empire Howard that was torpedoed and sunk by the German submarine U-403 north-west of North Cape in position 73º48'N, 21º50'E.

3 Feb, 1943
HMT Northern Wave (T/Lt. W.G. Pardoe-Matthews, RNR) picks up 4 survivors from the American merchant Greylock that was torpedoed and damaged by the German submarine U-255 in the Norwegian Sea in position 70º52'N, 00º21'W. The Greylock was later sunk by gunfire by one of the escorts.

17 May, 1943
HMT Northern Wave (T/Lt. J.P. Kilbee, RNR) picks up survivors from the British merchant Aymeric that was torpedoed and sunk by the German submarine U-657 east of Cape Farewell in position 59º42'N, 41º39'W.

8 Sep, 1944
HMT Northern Wave (T/Lt. F.J.R. Storey, RNVR) picks up 51 survivors from the British tanker Empire Heritage and 41 survivors from the British rescue ship Pinto that were torpedoed and sunk by the German submarine U-482 north-northeast of Tory Island in position 55º27'N, 08º01'W.