Kattegat water temperature

Kattegat, Skrea Strand (Falkenberg) · Sea/Coast

The current water temperature at Kattegat is 18.5 °C (as of August 31, 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.

18.5 °C

Measured: August 31, 2026 · continuously updated

💧 Water 18.5° · ☀️ Air 14.4° · high today 18.4°

Temperature trend of recent weeks

Kattegat — Photo: Swedish National Heritage Board from Sweden · Public domain · Wikimedia Commons

Water quality

EU classification: excellent

Measurement series & statistics

This measurement series includes 584 data points since July 3, 2026.

Lowest recorded value: 18.2 °C on August 30, 2026 · highest value: 21.5 °C on July 17, 2026.

Nearby waters

Kattegat, Ringsegård, Skrea sand · 3.4 km away17.0 °C Kattegat, Olofsbo · 7.7 km away18.0 °C Kattegat, Långasand · 8.5 km away18.0 °C Kattegat, Ugglarps N camping · 9.9 km away18.0 °C Kattegat, Glommen · 10.1 km away18.0 °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 18.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Kattegat?
Currently 18.5 °C (updated continuously).

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

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