Baltic Sea water temperature

Baltic Sea, Kühlungsborn · Sea/Coast

The current water temperature at Baltic Sea is 15.3 °C (as of October 15, 2026, source: Copernicus Marine Service).

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

15.3 °C

Measured: October 15, 2026 · continuously updated

💧 Water 15.3° · ☀️ Air 14.4°

Temperature trend of recent weeks

Water quality

EU classification: excellent

Measurement series & statistics

This measurement series includes 325 data points since September 28, 2026.

Lowest recorded value: 13.8 °C on October 12, 2026 · highest value: 17.3 °C on September 30, 2026.

In October, temperatures have ranged between 13.8 °C and 17.3 °C.

The current value is 0.3 °C below the October average of this series.

Nearby waters

Baltic Sea, Strand an der Seebrücke, Kühlungsborn · 0.3 km away15.3 °C Baltic Sea, Kühlungsborn · 1.8 km away15.3 °C Baltic Sea, Rerik · 11.0 km away15.3 °C Salzhaff, Roggow · 12.6 km away18.5 °C Salzhaff, Pepelow, Campingplatz · 18.3 km away18.2 °C

More measuring points: Baltic Sea

Färjestaden, Granudden/Talludd22.0 °C Hägernäsbadet22.0 °C Näsaängsbadet22.0 °C Eriksöre camping, Eriksöre21.0 °C Saxnäs21.0 °C Grisslinge havsbad20.3 °C

Frequently asked questions

Can you swim at Baltic Sea right now?
The current water temperature is 15.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Baltic Sea?
Currently 15.3 °C (updated continuously).

How warm is at Baltic Sea in October?
In October, the water temperature recently averaged 15.6 °C.

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

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