Baltic Sea 17.7 °C, North Sea 20.5 °C, Donau 21.2 °C. The coldest spot is Pröbstingsee, Pröbstingsee – Badestelle at 2.8 °C. As of September 20, 2026, 1,717 locations from Badewasserkarte M-V (LAGuS), Badestellen Brandenburg (LAVG) and Badegewässer Schleswig-Holstein (Open Data SH).



8 regions, each with today's range and its best-known spots. Tap one to open the region's list.








1,641 readings are measurements from official and open networks, above all Badewasserkarte M-V (LAGuS), Badestellen Brandenburg (LAVG) and Badegewässer Schleswig-Holstein (Open Data SH); 76 values come from models. Beyond temperature, this page carries 1,246 official bathing-water ratings, tides for 38 coastal spots, water level or discharge at 254 gauges and wave height at 67 buoys.
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Germany is the densest network in BrrChecker: the bathing-water networks of Mecklenburg-Vorpommern, Brandenburg and Schleswig-Holstein cover the lakes with samples taken through the bathing season, while PEGELONLINE, Bavaria's hydrological service and North Rhine-Westphalia's LANUV report the rivers hourly. The coast and the North Sea islands come from PEGELONLINE gauges and buoys. Bathing-water samples are seasonal; river gauges measure all year.
All 1,717 spots with history, BrrScore and alerts, free in the app.