Baltic Sea water temperature

Baltic Sea, Ribersborg · Sea/Coast

The current water temperature at Baltic Sea is 18.1 °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.

18.1 °C

Measured: August 31, 2026 · continuously updated

💧 Water 18.1° · ☀️ Air 16.2° · high today 18.4°

Temperature trend of recent weeks

Baltic Sea — Photo: Maria Eklind · CC BY-SA 2.0 · Wikimedia Commons

Water quality

EU classification: excellent

Measurement series & statistics

This measurement series includes 590 data points since July 3, 2026.

Lowest recorded value: 16.4 °C on July 12, 2026 · highest value: 21.2 °C on July 17, 2026.

Nearby waters

Öresund, Ribersborg · 1.2 km away16.9 °C Öresund, Sundspromenaden · 1.4 km away16.9 °C Öresunds Funkis · 1.7 km away16.8 °C Öresund, Scaniabadplatsen, Djuphavsbadet · 1.8 km away16.8 °C Öresund, Sibbarp · 5.0 km away16.5 °C

More measuring points: Baltic Sea

Färjestaden, Granudden/Talludd22.0 °C Hägernäsbadet22.0 °C Näsaängsbadet22.0 °C Eriksöre camping, Eriksöre21.0 °C Nickstabadet21.0 °C Saxnäs21.0 °C

Frequently asked questions

Can you swim at Baltic Sea 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 Baltic Sea?
Currently 18.1 °C (updated continuously).

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

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