Atlantic water temperature
Atlantic, Nauthólsvík (Reykjavik) · Sea/Coast
The current water temperature at Atlantic is 10.7 °C (as of September 20, 2026, source: Open-Meteo marine model).
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 609 data points since July 22, 2026.
Lowest recorded value: 10.7 °C on September 15, 2026 · highest value: 12.9 °C on August 3, 2026.
In September, temperatures have ranged between 10.7 °C and 11.6 °C.
The current value is 0.4 °C below the September average of this series.
More measuring points: Atlantic
Frequently asked questions
Can you swim at Atlantic right now?
The current water temperature is 10.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Atlantic?
Currently 10.7 °C (updated continuously).
How warm is at Atlantic in September?
In September, the water temperature recently averaged 11.1 °C.
When is the water warmest at Atlantic?
Across the measurement record, August is on average the warmest month (12.3 °C).
