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Sea temperature in Croatia 2026

Live map of Adriatic sea temperature and water quality – real-time data for all coastal destinations

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Current sea temperature & water quality – 2026

Before heading to Croatia for your holiday, it is worth checking the current sea temperature and beach quality ratings at your chosen destination. The interactive map below provides live data for almost all Adriatic locations – from Istria and the Kvarner Gulf through Dalmatia all the way to Dubrovnik.

In addition to sea temperature, the map also shows:

  • Air temperature at Croatian coastal destinations
  • Current sea surface temperature
  • Water salinity
  • Wind speed and direction
  • Rainfall information for each location
  • EU-standard beach quality ratings
Colour legend – EU water quality rating (data from the current or previous season):
Blue – excellent   Green – good   Yellow – sufficient   Red – poor
How to use the map: Croatian coastal locations are marked with coloured squares. Zoom in using the mouse wheel or pinch gestures on mobile. Click on any location to see detailed measurements.
Map terms explained
Air temp [°C]Air temperature
Sea temp [°C]Sea temperature
SalinityWater salinity
WeatherWeather / Forecast
WindWind
Wind – speedWind speed
Wind – directionWind direction
Rain day before samplingRainfall day before measurement
Rain on day of samplingRainfall on day of measurement
Visible pollutionVisible pollution
Floating waste matterFloating waste in the sea
Useful links
Sea water quality data is provided by the Institute of Oceanography and Fisheries (IZOR) in Split in cooperation with the European Environment Agency (EEA).
Planning a seaside holiday in Croatia 2026?
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