Water temperature in Sydney
66.9
°F
August 25, 01:21
Trend:
stableYesterday:
66.6°FTomorrow:
66.5°F
Sunrise:
Sunset:
Day Length:
13 h. 41 min.Sydney in September
Minimum:
33.7°FAverage:
35.1°FMaximum:
36.5°FSea water temperature in Sydney today
As of now, in Sydney, the water temperature is 66.9°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.5°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.Recent sea temperature and forecast
Today's water temperature slightly varies from the average of the past two weeks. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 70.2°F on 2024, while the historical minimum was 66.1°F on 2025.
Daily water temperature in Sydney
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 11 | 66.6°F | 67.1°F | 68.1°F |
| Aug 12 | 67.8°F | 69.5°F | 68.5°F |
| Aug 13 | 67.1°F | 69.0°F | 68.1°F |
| Aug 14 | 66.9°F | 68.4°F | 68.4°F |
| Aug 15 | 67.1°F | 69.1°F | 68.6°F |
| Aug 16 | 66.9°F | 69.8°F | 68.8°F |
| Aug 17 | 66.7°F | 69.4°F | 68.7°F |
| Aug 18 | 66.5°F | 68.3°F | 68.4°F |
| Aug 19 | 66.7°F | 68.6°F | 68.3°F |
| Aug 20 | 66.0°F | 68.1°F | 68.1°F |
| Aug 21 | 66.7°F | 67.6°F | 68.3°F |
| Aug 22 | 66.7°F | 66.6°F | 68.0°F |
| Aug 23 | 66.0°F | 66.3°F | 67.9°F |
| Aug 24 | 66.6°F | 65.9°F | 68.1°F |
| Aug 25 | 66.9°F | 66.1°F | 68.4°F |
| Aug 26 | 66.5°F | 65.8°F | 68.0°F |
| Aug 27 | 66.7°F | 66.7°F | 68.2°F |
| Aug 28 | 66.5°F | 67.0°F | 68.0°F |
| Aug 29 | 66.5°F | 67.3°F | 68.0°F |
| Aug 30 | 66.3°F | 66.6°F | 67.8°F |
| Aug 31 | 65.9°F | 68.3°F | 67.4°F |
| Sep 1 | 65.5°F | 67.4°F | 67.0°F |
* actual - actual temperature values
** forecast - projected values for the next week
Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.
Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.