Kattegat, 8–9 °C in the Baltic Proper, about 7 °C in the Åland
Sea, 5–6.5 °C in the Bothnian
Sea and about 5 °C in the Gulf of Bothnia. The salinity of the surface water in the Baltic Proper was still above normal for the
season and varied between 6.9–8.2 psu. In the Kattegat and Skagerrak, the salinity of
Last updated: