What is the current water temperature in Cape Town?

Q: What is the current water temperature in Cape Town?

As of now, in Cape Town, the water temperature is 15.14°C. 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.

South Africa > Cape Town

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.

59.3

°F

August 27, 00:03

Trend:

increasing

Yesterday:

59.1°F

Tomorrow:

59.3°F

Sunrise:

07:12

Sunset:

18:25

Day Length:

11 h. 13 min.

Cape Town in September

Minimum:

53.6°F

Average:

61.1°F

Maximum:

64.5°F

Sea water temperature in Cape Town today

As of now, in Cape Town, the water temperature is 59.3°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 1.6°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 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 59.4°F on 2016, while the historical minimum was 56.7°F on 2021.

latest data

last year

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 maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 59.1°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
Aug 13	57.8°F	57.5°F	57.2°F
Aug 14	57.3°F	57.5°F	57.2°F
Aug 15	57.3°F	57.4°F	57.2°F
Aug 16	57.5°F	56.5°F	57.2°F
Aug 17	58.0°F	56.8°F	57.3°F
Aug 18	58.4°F	56.5°F	57.4°F
Aug 19	58.4°F	56.5°F	57.4°F
Aug 20	58.3°F	57.0°F	57.4°F
Aug 21	58.8°F	58.4°F	57.5°F
Aug 22	58.7°F	57.9°F	57.5°F
Aug 23	59.3°F	57.5°F	57.3°F
Aug 24	59.0°F	58.1°F	57.6°F
Aug 25	58.8°F	58.1°F	57.6°F
Aug 26	59.1°F	57.6°F	57.6°F
Aug 27	59.3°F	57.9°F	57.7°F
Aug 28	59.3°F	57.8°F	57.7°F
Aug 29	59.2°F	57.5°F	57.6°F
Aug 30	59.2°F	57.6°F	57.7°F
Aug 31	58.9°F	57.3°F	57.3°F
Sep 1	59.0°F	57.5°F	57.4°F
Sep 2	58.9°F	57.9°F	57.3°F
Sep 3	59.4°F	59.1°F	57.8°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 57.8°F in Autumn.