Ionian Sea water temperature

Ionian Sea, Ithaca · Sea/Coast

The current water temperature at Ionian Sea is 29.2 °C (as of September 1, 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.

29.2 °C

Measured: September 1, 2026 · continuously updated

💧 Water 29.2° · ☀️ Air 27.8° · high today 29.3°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 595 data points since July 3, 2026.

Lowest recorded value: 27.1 °C on July 8, 2026 · highest value: 30.3 °C on July 21, 2026.

Nearby waters

Mediterranean, Myrtos · 12.8 km away29.2 °C Mediterranean, Kefalonia / Myrtos · 13.5 km away29.2 °C Mediterranean, Kefalonia / Antisamos · 15.6 km away29.2 °C Ionian Sea, Lefkada / Porto Katsiki · 24.5 km away29.0 °C Ionian Sea, Lefkada Vasiliki · 25.7 km away29.2 °C

More measuring points: Ionian Sea

Scilla30.2 °C Taranto30.0 °C Porto Cesareo29.7 °C Preveza29.7 °C Santa Maria di Leuca29.7 °C Tropea29.7 °C

Frequently asked questions

Can you swim at Ionian Sea right now?
The current water temperature is 29.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Ionian Sea?
Currently 29.2 °C (updated continuously).

← All waters