An example folded radiation slot for short wall waveguide radiation is disclosed. In one aspect, the radiating structure includes a waveguide layer configured to propagate electromagnetic energy via a waveguide. The waveguide may have a height dimension and a width dimension. The radiating structure also includes a radiating layer coupled to the waveguide layer, such that the radiating layer is parallel to the height dimension of the waveguide. The radiating layer may include a radiating element. The radiating element may be a slot defined by an angular or curved path, and the radiating element may be coupled to the waveguide layer. The radiating element may have an effective length greater than the height dimension of waveguide, wherein the effective length is measured along the angular or curved path of the slot.