BrrCheckerAtlantic water temperature
Atlantic, Brest (Iroise-Boje) · Sea/Coast
The current water temperature at Atlantic is 15.9 °C (as of October 20, 2026, source: Copernicus Marine Service).
Attribution: Generated using E.U. Copernicus Marine Service Information (DOI 10.48670/moi-00032, 10.48670/moi-00043, 10.48670/moi-00044, 10.48670/moi-00045) · Attribution: Messbojen: Ifremer, Université de Caen, CNRS, Observatoire Océanologique de Banyuls, Institut Méditerranéen d’Océanologie, Universidade dos Açores, Puertos del Estado, INTECMAR (Xunta de Galicia), Agentschap MDK – Afdeling Kust, Rijkswaterstaat, BSH, NLWKN, LKN.SH, Ilmatieteen laitos (FMI)
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
15.9 °C
Measured: October 20, 2026 · continuously updated
💧 Water 15.9° · ☀️ Air 12.4°
Temperature trend of recent weeks
Water quality
EU classification: excellentMeasurement series & statistics
This measurement series includes 394 data points since September 28, 2026.
Lowest recorded value: 15.9 °C on October 19, 2026 · highest value: 17.5 °C on September 28, 2026.
Nearby waters
Atlantic, Brest, Sainte-Anne-du-Portzic · 0.4 km away13.0 °CAtlantic, Plouzane, Dellec · 1.1 km away13.0 °CAtlantic, Plouzane, Minou · 5.2 km away13.0 °CAtlantic, Crozon, Trez Rouz · 8.0 km away13.2 °CAtlantic, Plougastel-Daoulas, Larmor · 8.1 km away12.9 °C More measuring points: Atlantic
Frequently asked questions
Can you swim at Atlantic right now?
The current water temperature is 15.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Atlantic?
Currently 15.9 °C (updated continuously).
How is the water quality at Atlantic?
The official classification is: excellent.
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