All data are in degrees Fahrenheit

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Water temperature in Cape Town

Detailed information about the current water temperature in Cape Town. 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.
Sea temperature in Cape Town now

58.7

°F

July 14, 11:33

Trend:

decreasing

Yesterday:

59.0°F

Tomorrow:

58.6°F

Sunrise:

07:50

Sunset:

17:55

Day Length:

10 h. 5 min.

Cape Town in July

Minimum:

53.7°F

Average:

61.3°F

Maximum:

65.4°F

Sea water temperature in Cape Town today

As of now, in Cape Town, the water temperature is 58.7°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.2°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 59.1°F on 2019, while the historical minimum was 55.8°F on 2015.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 58.6°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Cape Town

Date Current Year

actual* / forecast**

last year 10 years average
Jun 30 57.4°F 58.0°F 57.8°F
Jul 1 58.0°F 58.0°F 57.9°F
Jul 2 59.0°F 57.8°F 57.9°F
Jul 3 58.7°F 57.7°F 57.8°F
Jul 4 58.7°F 57.2°F 57.9°F
Jul 5 58.6°F 57.7°F 58.0°F
Jul 6 58.6°F 57.4°F 57.7°F
Jul 7 58.7°F 57.3°F 57.7°F
Jul 8 58.2°F 57.0°F 57.6°F
Jul 9 57.7°F 56.8°F 57.5°F
Jul 10 58.3°F 56.4°F 57.7°F
Jul 11 58.0°F 56.5°F 57.6°F
Jul 12 58.9°F 56.6°F 57.6°F
Jul 13 59.0°F 56.2°F 57.6°F
Jul 14 58.7°F 56.5°F 57.5°F
Jul 15 58.6°F 56.4°F 57.4°F
Jul 16 58.6°F 56.4°F 57.5°F
Jul 17 58.6°F 56.4°F 57.5°F
Jul 18 58.5°F 56.6°F 57.3°F
Jul 19 58.7°F 56.4°F 57.5°F
Jul 20 58.6°F 56.6°F 57.4°F
Jul 21 58.4°F 56.4°F 57.2°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 Cape Town by month

In an average year, Cape Town offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Cape Town was recorded on February 1, 2016, reaching a 67.4°F. While the coldest temperature occurred on September 24, 2024, dipping to 47.4°F. The average readings by season are 60.6°F in Winter, 57.9°F in Spring, 57.5°F in Summer, and 57.8°F in Autumn.