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

60.8

°F

April 14, 17:31

Trend:

increasing

Yesterday:

60.7°F

Tomorrow:

60.9°F

Sunrise:

07:08

Sunset:

18:25

Day Length:

11 h. 17 min.

Cape Town in April

Minimum:

58.9°F

Average:

61.6°F

Maximum:

66.1°F

Sea water temperature in Cape Town today

As of now, in Cape Town, the water temperature is 60.8°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 3.0°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 60.5°F on 2016, while the historical minimum was 52.4°F on 2024.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 60.4°F, the minimum temperature may reach 60.0°F, and the maximum might stay at 60.9°F.

Daily water temperature in Cape Town

Date Current Year

actual* / forecast**

last year 10 years average
Mar 31 62.0°F 60.1°F 58.2°F
Apr 1 61.9°F 59.7°F 58.5°F
Apr 2 61.8°F 57.5°F 58.0°F
Apr 3 61.6°F 57.8°F 57.8°F
Apr 4 61.1°F 57.6°F 57.7°F
Apr 5 62.0°F 57.1°F 58.0°F
Apr 6 60.5°F 57.4°F 58.0°F
Apr 7 59.4°F 59.2°F 57.9°F
Apr 8 59.9°F 59.6°F 58.0°F
Apr 9 60.2°F 60.1°F 58.2°F
Apr 10 62.3°F 60.1°F 58.3°F
Apr 11 61.5°F 62.0°F 57.8°F
Apr 12 62.3°F 61.7°F 58.1°F
Apr 13 60.7°F 61.4°F 58.2°F
Apr 14 60.8°F 60.5°F 57.8°F
Apr 15 60.9°F 60.3°F 57.9°F
Apr 16 60.4°F 58.7°F 57.5°F
Apr 17 60.4°F 59.6°F 57.5°F
Apr 18 60.3°F 58.5°F 57.4°F
Apr 19 60.5°F 58.6°F 57.5°F
Apr 20 60.0°F 58.6°F 57.1°F
Apr 21 60.0°F 57.1°F 57.1°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 March 13, 2026, reaching a 67.5°F. While the coldest temperature occurred on September 24, 2024, dipping to 47.4°F. The average readings by season are 60.0°F in Winter, 57.9°F in Spring, 57.6°F in Summer, and 57.5°F in Autumn.