 During World War II, Brofjorden served as a storage site for part of Operation Bridford.Norwegian boats and ships of all types and sizes came with cargoes consisting of machine parts, especially ball bearings for the British weapons industry, which were transferred to British blockade runners crossing the Skagerrak.According to a German captain on a ship loading granite at Rixö quarry, who served onboard a submarine during the war, German submarines also used the deep fjord.