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

October 25, 04:57

Trend:

stable

Yesterday:

58.7°F

Tomorrow:

58.8°F

Sunrise:

05:54

Sunset:

19:08

Day Length:

13 h. 14 min.

Cape Town in November

Minimum:

56.5°F

Average:

60.6°F

Maximum:

64.5°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 1.3°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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 59.5°F on 2017, while the historical minimum was 52.8°F on 2024.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 58.7°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
Oct 11 56.1°F 58.7°F 57.2°F
Oct 12 55.5°F 58.6°F 57.3°F
Oct 13 54.1°F 59.5°F 57.3°F
Oct 14 55.3°F 58.0°F 57.0°F
Oct 15 56.9°F 58.5°F 57.4°F
Oct 16 57.4°F 58.6°F 57.3°F
Oct 17 56.2°F 57.1°F 57.3°F
Oct 18 56.3°F 57.9°F 57.6°F
Oct 19 55.7°F 56.1°F 57.2°F
Oct 20 56.2°F 55.0°F 57.1°F
Oct 21 56.7°F 55.2°F 56.7°F
Oct 22 57.0°F 56.9°F 56.6°F
Oct 23 58.5°F 58.0°F 57.1°F
Oct 24 58.7°F 57.1°F 57.5°F
Oct 25 58.7°F 56.9°F 57.4°F
Oct 26 58.8°F 57.0°F 57.5°F
Oct 27 59.0°F 55.3°F 57.7°F
Oct 28 58.8°F 55.2°F 57.5°F
Oct 29 58.8°F 54.6°F 57.5°F
Oct 30 58.7°F 53.0°F 57.4°F
Oct 31 58.4°F 52.4°F 57.2°F
Nov 1 58.4°F 54.2°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, 58.0°F in Spring, 57.5°F in Summer, and 57.4°F in Autumn.