Bottnischer Meerbusen water temperature
Bottnischer Meerbusen, Pietarsaari · Sea/Coast
The current water temperature at Bottnischer Meerbusen is 8.5 °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.
Measurement series & statistics
This measurement series includes 258 data points since September 28, 2026.
Lowest recorded value: 8.4 °C on October 11, 2026 · highest value: 12.6 °C on September 29, 2026.
In October, temperatures have ranged between 8.4 °C and 12.6 °C.
The current value is 2.2 °C below the October 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 8.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Bottnischer Meerbusen?
Currently 8.5 °C (updated continuously).
How warm is at Bottnischer Meerbusen in October?
In October, the water temperature recently averaged 10.7 °C.
