Baltic Sea water temperature

Baltic Sea, Herräng, Uddham · Sea/Coast

The current water temperature at Baltic Sea is 17.0 °C (as of August 24, 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.

17.0 °C

Measured: August 24, 2026 · continuously updated

💧 Water 17.0° · ☀️ Air 15.5°

Temperature trend of recent weeks

Baltic Sea — Photo: Hanno Böck · CC0 · Wikimedia Commons

Water quality

EU classification: excellent

Nearby waters

Gisen · 30.0 km away18.0 °C Erken, Svanberga · 33.5 km away18.0 °C Baltic Sea, Lundabadet · 41.5 km away16.0 °C Lommaren · 42.3 km away18.0 °C Baltic Sea, Kärleksudden · 43.1 km away18.0 °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 17.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Baltic Sea?
Currently 17.0 °C (updated continuously).

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

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