What is the current water temperature in Adelaide?

Q: What is the current water temperature in Adelaide?

As of now, in Adelaide, the water temperature is 18.03°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

Australia > Adelaide

Water temperature in Adelaide

Detailed information about the current water temperature in Adelaide. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

64.5

°F

May 18, 15:20

Trend:

decreasing

Yesterday:

64.7°F

Tomorrow:

64.4°F

Sunrise:

07:05

Sunset:

17:19

Day Length:

10 h. 14 min.

Adelaide in May

Minimum:

68.2°F

Average:

70.4°F

Maximum:

72.4°F

Sea water temperature in Adelaide today

As of now, in Adelaide, the water temperature is 64.5°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.5°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 64.7°F on 2025, while the historical minimum was 61.2°F on 2020.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 63.9°F, the minimum temperature may reach 63.5°F, and the maximum might stay at 64.4°F.

Daily water temperature in Adelaide

Date	Current Year actual* / forecast**	last year	10 years average
May 4	65.7°F	66.1°F	65.1°F
May 5	65.4°F	66.0°F	65.0°F
May 6	65.2°F	65.8°F	64.8°F
May 7	65.2°F	65.9°F	64.6°F
May 8	64.5°F	65.9°F	64.3°F
May 9	64.7°F	65.6°F	64.3°F
May 10	64.4°F	65.2°F	63.9°F
May 11	63.9°F	65.0°F	63.6°F
May 12	64.1°F	64.9°F	63.6°F
May 13	64.1°F	65.0°F	63.7°F
May 14	64.7°F	64.6°F	63.6°F
May 15	64.4°F	64.7°F	63.4°F
May 16	64.7°F	64.9°F	63.4°F
May 17	64.7°F	65.0°F	63.2°F
May 18	64.5°F	64.7°F	62.9°F
May 19	64.4°F	64.4°F	62.8°F
May 20	64.2°F	63.8°F	62.7°F
May 21	64.0°F	63.2°F	62.4°F
May 22	64.0°F	63.5°F	62.5°F
May 23	63.8°F	63.0°F	62.3°F
May 24	63.7°F	62.7°F	62.2°F
May 25	63.5°F	62.1°F	62.0°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.

Sea water temperature in Adelaide by month

In an average year, Adelaide offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Adelaide was recorded on March 3, 2019, reaching a 76.2°F. While the coldest temperature occurred on July 27, 2016, dipping to 54.1°F. The average readings by season are 70.6°F in Winter, 67.4°F in Spring, 56.6°F in Summer, and 60.8°F in Autumn.