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18°C / 64°F
The measurements for the water temperature in Spétses are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.
The graph below shows the range of monthly Spétses water temperature derived from many years of historical sea surface temperature data.
These average ocean temperatures for Spétses are calculated from several years of archived data.
Whilst sea temperatures for Spétses are as accurate as current data allows, there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.