Atlantic water temperature

Atlantic, Salgado · Sea/Coast

The current water temperature at Atlantic is 16.8 °C (as of September 11, 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.

16.8 °C

Measured: September 11, 2026 · continuously updated

💧 Water 16.8° · ☀️ Air 15.3° · high today 27.4°

Temperature trend of recent weeks

Atlantic — Photo: tjabeljan · CC BY 4.0 · Wikimedia Commons

Water quality

EU classification: excellent

Measurement series & statistics

This measurement series includes 596 data points since July 13, 2026.

Lowest recorded value: 16.6 °C on August 22, 2026 · highest value: 22.2 °C on July 22, 2026.

In September, temperatures have ranged between 16.7 °C and 20.1 °C.

The current value is 1.6 °C below the September average of this series.

Nearby waters

Atlantic, São Martinho do Porto · 4.3 km away16.8 °C Atlantic, Nazaré · 6.9 km away16.8 °C Atlantic, Nazaré (Boje) · 7.6 km away16.8 °C Atlantic, Légua · 12.3 km away16.8 °C Atlantic, Foz do Arelho · 15.7 km away16.8 °C

More measuring points: Atlantic

South Port Everglades37.9 °C Highway Creek, FL32.5 °C Key West, FL32.2 °C Key West32.1 °C Cannon Bay, FL31.5 °C Marathon / Sombrero Beach31.4 °C

Frequently asked questions

Can you swim at Atlantic right now?
The current water temperature is 16.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Atlantic?
Currently 16.8 °C (updated continuously).

How warm is at Atlantic in September?
In September, the water temperature recently averaged 18.4 °C.

When is the water warmest at Atlantic?
Across the measurement record, July is on average the warmest month (20.0 °C).

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

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