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

53.7

°F

February 17, 15:01

Trend:

stable

Yesterday:

52.5°F

Tomorrow:

53.3°F

Sunrise:

06:23

Sunset:

19:37

Day Length:

13 h. 14 min.

Cape Town in February

Minimum:

57.4°F

Average:

60.6°F

Maximum:

65.3°F

Sea water temperature in Cape Town today

As of now, in Cape Town, the water temperature is 53.7°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 6.4°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 65.1°F on 2016, while the historical minimum was 54.9°F on 2025.

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 minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 53.0°F, the minimum temperature may reach 52.5°F, and the maximum might stay at 53.3°F.

Daily water temperature in Cape Town

Date Current Year

actual* / forecast**

last year 10 years average
Feb 3 58.0°F 60.5°F 60.8°F
Feb 4 59.3°F 59.2°F 60.7°F
Feb 5 61.4°F 59.4°F 61.1°F
Feb 6 61.5°F 59.9°F 61.2°F
Feb 7 62.9°F 58.5°F 61.4°F
Feb 8 60.2°F 57.3°F 61.3°F
Feb 9 59.2°F 56.9°F 61.1°F
Feb 10 59.5°F 56.8°F 61.1°F
Feb 11 60.5°F 55.3°F 60.9°F
Feb 12 59.2°F 55.5°F 60.4°F
Feb 13 58.9°F 55.7°F 60.0°F
Feb 14 53.6°F 56.0°F 59.7°F
Feb 15 51.2°F 54.3°F 59.8°F
Feb 16 52.5°F 55.1°F 59.8°F
Feb 17 53.7°F 54.9°F 60.1°F
Feb 18 53.3°F 54.3°F 59.6°F
Feb 19 53.2°F 55.1°F 59.6°F
Feb 20 53.3°F 56.2°F 59.7°F
Feb 21 53.2°F 56.6°F 59.6°F
Feb 22 52.9°F 57.0°F 59.3°F
Feb 23 53.0°F 58.6°F 59.4°F
Feb 24 52.5°F 57.8°F 58.9°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 60.0°F in Winter, 57.8°F in Spring, 57.6°F in Summer, and 57.5°F in Autumn.