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

55.5

°F

November 30, 06:52

Trend:

stable

Yesterday:

55.5°F

Tomorrow:

55.6°F

Sunrise:

05:29

Sunset:

19:41

Day Length:

14 h. 12 min.

Cape Town in December

Minimum:

57.3°F

Average:

61.4°F

Maximum:

65.1°F

Sea water temperature in Cape Town today

As of now, in Cape Town, the water temperature is 55.5°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 3.6°F lower 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 minimum temperature for this date. The maximum temperature recorded for this date was 62.2°F on 2023, while the historical minimum was 56.9°F on 2020.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 55.7°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
Nov 16 56.9°F 54.5°F 59.4°F
Nov 17 56.3°F 53.6°F 59.1°F
Nov 18 54.9°F 52.3°F 58.6°F
Nov 19 54.1°F 54.5°F 58.6°F
Nov 20 53.0°F 55.2°F 58.4°F
Nov 21 54.2°F 55.1°F 58.6°F
Nov 22 53.8°F 55.4°F 58.6°F
Nov 23 56.0°F 56.3°F 58.3°F
Nov 24 55.1°F 56.1°F 58.6°F
Nov 25 54.3°F 56.7°F 58.6°F
Nov 26 53.0°F 57.2°F 58.6°F
Nov 27 54.0°F 57.8°F 58.6°F
Nov 28 54.5°F 58.0°F 58.6°F
Nov 29 55.5°F 58.4°F 59.1°F
Nov 30 55.5°F 57.5°F 59.1°F
Dec 1 55.6°F 56.3°F 59.3°F
Dec 2 55.5°F 55.4°F 59.1°F
Dec 3 55.4°F 55.8°F 59.1°F
Dec 4 55.7°F 55.6°F 59.3°F
Dec 5 55.8°F 57.1°F 59.4°F
Dec 6 55.8°F 59.0°F 59.5°F
Dec 7 55.8°F 60.5°F 59.4°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 57.6°F in Autumn.