Both the mouth of the Atran and which sea flow into Kattegat?
Kattegat The Kattegat (] ; Swedish: "Kattegatt" , ] ) is a 30000 km2 sea area bounded by the Jutlandic peninsula in the west, the Danish straits islands of Denmark to the south and the provinces of Västergötland, Scania, Halland and Bohuslän in Sweden in the east. The Baltic Sea drains into the Kattegat through the Danish Straits. The sea area is a continuation of the Skagerrak and may be seen as a bay of the Baltic Sea or the North Sea or, as in traditional Scandinavian usage, neither of these.
Teacapan Estuary Teacapan Estuary, (Estero de Teacapán) is an estuary in Mexico, within the two provinces of Sinaloa and Nayarit. This long outlet drains two large coastal lagoons, Agua Grande Lagoon in Sinaloa on its northern end and Agua Brava Lagoon in Nayarit at its southern end, into the Pacific Ocean at its mouth, the Boca Teacapan. The estuary forms part of the border between the Escuinapa Municipality, Sinaloa, and the Tecuala Municipality of Nayarit.