Kattegat water temperature

Kattegat, Tisvildeleje · Sea/Coast

The current water temperature at Kattegat is 18.1 °C (as of September 1, 2026, source: Open-Meteo marine model).

The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.

18.1 °C

Measured: September 1, 2026 · continuously updated

💧 Water 18.1° · ☀️ Air 15.9° · high today 18.2°

Temperature trend of recent weeks

Kattegat — Photo: Ole Palnatoke Andersen · CC BY-SA 2.0 · Wikimedia Commons

Water quality

EU classification: excellent

Measurement series & statistics

This measurement series includes 595 data points since July 3, 2026.

Lowest recorded value: 18.1 °C on August 31, 2026 · highest value: 22.3 °C on July 16, 2026.

Nearby waters

Baltic Sea, Hornbæk · 23.8 km away18.1 °C Öresund, Hornbæk Havn · 23.8 km away18.4 °C Kattegat, Vikens havsbad · 32.0 km away19.0 °C Kattegat, Höganäs, Kvickbadet · 33.0 km away18.0 °C Kattegat, Höganäs, Margreteberg · 33.4 km away19.0 °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 18.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Kattegat?
Currently 18.1 °C (updated continuously).

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

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