In October sea water temperature all along the Tyrrhenian Sea coast warms above 20°C and it is enough for a comfortable bathing. The warmest average water temperature Tyrrhenian Sea in October is 23.3°C (in Cefalu, Italy), and the coldest sea surface temperature is 21°C (in Porto Pozzo, Italy). To find out the sea temperature today and in the coming days, go to Current sea temperature of the Tyrrhenian Sea
This data on the average monthly surface water temperature on the Tyrrhenian Sea coast in October. To see the details, select the country and then the city of your interest. Besides water temperature, you can also get information about the weather for today, tomorrow and the upcoming days, surf forecast, as well as the data on sunrise/sunset and moonrise/moonset at a given point on any given day.