BrrChecker

Atlantic water temperature

Atlantic, Garrão-Nascente · Sea/Coast

The current water temperature at Atlantic is 20.4 °C (as of September 10, 2026, source: Instituto Hidrográfico).

The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.

20.4 °C
Measured: September 10, 2026 · continuously updated
💧 Water 20.4° · ☀️ Air 22.2° · high today 23.9°
Temperature trend of recent weeks
Atlantic
Photo: originalpickaxe · CC BY 3.0 · Wikimedia Commons

Water quality

EU classification: excellent

Measurement series & statistics

This measurement series includes 600 data points since July 13, 2026.

Lowest recorded value: 17.9 °C on September 1, 2026 · highest value: 22.4 °C on September 8, 2026.

In September, temperatures have ranged between 17.9 °C and 22.4 °C.

The current value is 0.5 °C above the September average of this series.

Nearby waters

More measuring points: Atlantic

Frequently asked questions

Can you swim at Atlantic right now?
The current water temperature is 20.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Atlantic?
Currently 20.4 °C (updated continuously).

How warm is at Atlantic in September?
In September, the water temperature recently averaged 19.9 °C.

When is the water warmest at Atlantic?
Across the measurement record, September is on average the warmest month (19.9 °C).

How is the water quality at Atlantic?
The official classification is: excellent.

Open in the BrrChecker app

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