Atlantic water temperature
Atlantic, Florianopolis · Sea/Coast
The current water temperature at Atlantic is 18.6 °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.
.jpg){kind=link}
Measurement series & statistics
This measurement series includes 609 data points since July 22, 2026.
Lowest recorded value: 16.8 °C on September 18, 2026 · highest value: 20.0 °C on August 18, 2026.
In September, temperatures have ranged between 16.8 °C and 19.9 °C.
More measuring points: Atlantic
Frequently asked questions
Can you swim at Atlantic right now?
The current water temperature is 18.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Atlantic?
Currently 18.6 °C (updated continuously).
How warm is at Atlantic in September?
In September, the water temperature recently averaged 18.6 °C.
When is the water warmest at Atlantic?
Across the measurement record, August is on average the warmest month (18.9 °C).
