On 6 June 1944, Algonquin left the Solent at 06:45am as part of the assault fleet for Juno Beach, the Canadian sector of the invasion.
After arrival, Algonquin began performing her gunfire support mission, firing at her first target; a pair of 75 mm (3 in) guns located behind houses west of Saint-Aubin-sur-Mer.
Following their destruction, Algonquin shifted to destroying houses harbouring snipers along the Nan Red sector.
By mid-morning, Algonquin fired only intermittently and the destroyer's gunfire was controlled from shore-based army observers.
Around 10:00am, Algonquin was called upon to take out a battery of three 88 mm (3 in) guns 3.2 kilometres (2 mi) inland from Courselles.
The destroyer spent the rest of the time with the invasion fleet on D-day moving around and coming under air attack.

On 7 June, the ship shelled a series of houses that was being used by snipers.
Algonquin, with Sioux was used on Guards Patrol around the anchorage.
On 10 June, the destroyer shuttled Vice-Admiral Percy W. Nelles to Normandy and followed this up on 18 June by ferrying General Harry Crerar, commander of Canadian invasion forces, and his staff to France.
The following day, the ship performed a fire support mission for an attack by Royal Marines between Ouistreham and Cabourg.
On 24 June, Algonquin, with Sioux, shelled a German battery near Franceville before departing shortly after for Scapa Flow.
On 6 June 1944, Algonquin left the Solent at 06:45am as part of the assault fleet for Juno Beach, the Canadian sector of the invasion. After arrival, Algonquin began performing her gunfire support mission, firing at her first target; a pair of 75 mm (3 in) guns located behind houses west of Saint-Aubin-sur-Mer. Following their destruction, Algonquin shifted to destroying houses harbouring snipers along the Nan Red sector. By mid-morning, Algonquin fired only intermittently and the destroyer's gunfire was controlled from shore-based army observers. Around 10:00am, Algonquin was called upon to take out a battery of three 88 mm (3 in) guns 3.2 kilometres (2 mi) inland from Courselles. The destroyer spent the rest of the time with the invasion fleet on D-day moving around and coming under air attack.
On 7 June, the ship shelled a series of houses that was being used by snipers. Algonquin, with Sioux was used on Guards Patrol around the anchorage. On 10 June, the destroyer shuttled Vice-Admiral Percy W. Nelles to Normandy and followed this up on 18 June by ferrying General Harry Crerar, commander of Canadian invasion forces, and his staff to France. The following day, the ship performed a fire support mission for an attack by Royal Marines between Ouistreham and Cabourg. On 24 June, Algonquin, with Sioux, shelled a German battery near Franceville before departing shortly after for Scapa Flow.
HMCS Algonquin (R17)