Bottnischer Meerbusen water temperature
Bottnischer Meerbusen, Bönan · Sea/Coast
The current water temperature at Bottnischer Meerbusen is 9.1 °C (as of September 20, 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.
Measurement series & statistics
This measurement series includes 741 data points since July 22, 2026.
Lowest recorded value: 9.1 °C on September 20, 2026 · highest value: 19.3 °C on July 29, 2026.
In September, temperatures have ranged between 9.1 °C and 17.7 °C.
The current value is 5.2 °C below the September average of this series.
Nearby waters
More measuring points: Bottnischer Meerbusen
Frequently asked questions
Can you swim at Bottnischer Meerbusen right now?
The current water temperature is 9.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Bottnischer Meerbusen?
Currently 9.1 °C (updated continuously).
How warm is at Bottnischer Meerbusen in September?
In September, the water temperature recently averaged 14.3 °C.
When is the water warmest at Bottnischer Meerbusen?
Across the measurement record, July is on average the warmest month (16.9 °C).
