BrrChecker

Bælthavet water temperature

Bælthavet, Køge Havn · Sea/Coast

The current water temperature at Bælthavet is 16.4 °C (as of September 12, 2026, source: DMI).

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

16.4 °C
Measured: September 12, 2026 · continuously updated
💧 Water 16.4° · ☀️ Air 12.8° · high today 18.5°
Temperature trend of recent weeks
Bælthavet
Photo: Julien Carnot · CC BY-SA 2.0 · Wikimedia Commons

Water quality

EU classification: good

Measurement series & statistics

This measurement series includes 1261 data points since July 20, 2026.

Lowest recorded value: 15.9 °C on July 25, 2026 · highest value: 19.6 °C on August 3, 2026.

In September, temperatures have ranged between 16.2 °C and 17.2 °C.

The current value is 0.4 °C below the September average of this series.

Nearby waters

More measuring points: Bælthavet

Frequently asked questions

Can you swim at Bælthavet right now?
The current water temperature is 16.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Bælthavet?
Currently 16.4 °C (updated continuously).

How warm is at Bælthavet in September?
In September, the water temperature recently averaged 16.8 °C.

When is the water warmest at Bælthavet?
Across the measurement record, August is on average the warmest month (18.0 °C).

How is the water quality at Bælthavet?
The official classification is: good.

Open in the BrrChecker app

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