Kattegat, Krossholmen · Sea/Coast
The current water temperature at Kattegat is 20.6 °C (as of July 18, 2026, source: official monitoring networks).
Can you swim at Kattegat right now?
The current water temperature is 20.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Kattegat?
Currently 20.6 °C (updated continuously).