Bottnischer Meerbusen, Kalix · Sea/Coast
The current water temperature at Bottnischer Meerbusen is 11.3 °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.
This measurement series includes 705 data points since July 22, 2026.
Lowest recorded value: 10.3 °C on September 14, 2026 · highest value: 20.2 °C on August 2, 2026.
In September, temperatures have ranged between 10.3 °C and 16.8 °C.
The current value is 1.7 °C below the September average of this series.
Can you swim at Bottnischer Meerbusen right now?
The current water temperature is 11.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Bottnischer Meerbusen?
Currently 11.3 °C (updated continuously).
How warm is at Bottnischer Meerbusen in September?
In September, the water temperature recently averaged 13.0 °C.
When is the water warmest at Bottnischer Meerbusen?
Across the measurement record, July is on average the warmest month (17.5 °C).