DW Routes Kattegat North and Kattegat South. Ships with a draught of 10 metres or more are recommended to use DW Route Kattegat North and DW Route Kattegat South. Northbound traffic not restricted by their draught are recommended to use the area east of the deep-water route. Southbound traffic not restricted by their draught are recommended to use the area west of the deep-water route.