Baltic Sea water temperature
Baltic Sea, Strand Rettin · Lido
The current water temperature at Baltic Sea is 20.4 °C (as of August 8, 2026, source: official monitoring networks).
20.4 °C
Water quality
EU classification: goodFrequently asked questions
Can you swim at Baltic Sea right now?
The current water temperature is 20.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Baltic Sea?
Currently 20.4 °C (updated continuously).
How warm is at Baltic Sea in August?
In August, the water temperature recently averaged 20.4 °C.
