Kattegat water temperature

Kattegat, Lilla Apelviken · Sea/Coast

The current water temperature at Kattegat is 18.4 °C (as of August 2, 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.

18.4 °C

Measured: August 2, 2026 · continuously updated

💧 Water 18.4° · ☀️ Air 16.8° · high today 18.1°

Temperature trend of recent weeks

Water quality

EU classification: good

Nearby waters

Kattegat, Djupa Dräkt · 1.0 km away18.6 °C Kattegat, Apelviken 1 · 1.1 km away18.5 °C Kattegat, Skarpenord · 1.3 km away18.7 °C Kattegat, Apelviken 2 · 1.6 km away18.7 °C Kattegat, Varberg Apelviken · 1.7 km away18.5 °C

More measuring points: Kattegat

Arild, Kallbadhuset20.0 °C Farhultsbaden20.0 °C Hönö, Hästen20.0 °C Hönö, Lapposand20.0 °C Laholmsbukten, Birger Pers väg20.0 °C Laholmsbukten, Fiskaregatan20.0 °C

Frequently asked questions

Can you swim at Kattegat right now?
The current water temperature is 18.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Kattegat?
Currently 18.4 °C (updated continuously).

How is the water quality at Kattegat?
The official classification is: good.

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