How cold is New South Wales water in autumn? In October sea water temperature in some cities of New South Wales is above 20°C and it is enough for comfortable bathing. Based on average water temperature observations over the past ten years, the warmest ocean in New South Wales in October was 21.9°C (in Hastings Point), and the coldest sea 15.9°C (in Eden). To find out the sea temperature today and in the coming days, go to Current sea temperature in New South Wales
New South Wales cities and resorts with the values of the average water temperature in October in recent years.
For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name. For ease of search, all places are also grouped by the first letter of the name.
To find out what the water temperature was in New South Wales any day over a period of the last ten years, select the month