Baltic Sea, Stora Rör · Sea/Coast
The current water temperature at Baltic Sea is 20.0 °C (as of August 3, 2026, source: official monitoring networks).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
Can you swim at Baltic Sea right now?
The current water temperature is 20.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Baltic Sea?
Currently 20.0 °C (updated continuously).
How is the water quality at Baltic Sea?
The official classification is: excellent.