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

57.8

°F

March 15, 05:13

Trend:

decreasing

Yesterday:

58.0°F

Tomorrow:

57.8°F

Sunrise:

06:45

Sunset:

19:05

Day Length:

12 h. 20 min.

Cape Town in March

Minimum:

58.5°F

Average:

61.6°F

Maximum:

65.7°F

Sea water temperature in Cape Town today

As of now, in Cape Town, the water temperature is 57.8°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 1.8°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

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 62.6°F on 2016, while the historical minimum was 56.0°F on 2020.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 57.6°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
Mar 1 56.9°F 56.4°F 59.0°F
Mar 2 56.2°F 59.1°F 59.5°F
Mar 3 57.9°F 59.9°F 60.3°F
Mar 4 59.7°F 57.9°F 60.3°F
Mar 5 60.2°F 56.5°F 60.3°F
Mar 6 60.9°F 58.2°F 60.7°F
Mar 7 60.4°F 58.6°F 60.6°F
Mar 8 60.5°F 58.2°F 60.4°F
Mar 9 60.6°F 60.2°F 60.6°F
Mar 10 60.6°F 61.6°F 60.5°F
Mar 11 60.3°F 61.7°F 60.2°F
Mar 12 60.8°F 62.0°F 60.0°F
Mar 13 59.5°F 60.0°F 60.4°F
Mar 14 58.0°F 57.9°F 59.7°F
Mar 15 57.8°F 57.2°F 59.6°F
Mar 16 57.8°F 57.3°F 59.6°F
Mar 17 57.8°F 58.5°F 59.6°F
Mar 18 57.5°F 59.8°F 59.3°F
Mar 19 57.2°F 59.9°F 59.0°F
Mar 20 57.3°F 59.5°F 59.1°F
Mar 21 57.8°F 60.9°F 59.6°F
Mar 22 57.7°F 59.5°F 59.5°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, 57.4°F in Summer, and 57.8°F in Autumn.