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 14.06°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.

57.3

°F

September 16, 06:26

Trend:

increasing

Yesterday:

57.3°F

Tomorrow:

57.5°F

Sunrise:

06:45

Sunset:

18:38

Day Length:

11 h. 53 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 57.3°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 about the same as 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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 59.3°F on 2023, while the historical minimum was 54.0°F on 2024.

latest data

last year

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 57.2°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
Sep 2	58.0°F	57.9°F	57.4°F
Sep 3	58.2°F	59.1°F	57.8°F
Sep 4	58.6°F	59.1°F	57.6°F
Sep 5	58.7°F	58.4°F	57.7°F
Sep 6	57.4°F	57.5°F	57.4°F
Sep 7	55.9°F	57.3°F	57.2°F
Sep 8	56.6°F	56.4°F	57.4°F
Sep 9	55.9°F	55.1°F	57.2°F
Sep 10	56.8°F	52.5°F	56.9°F
Sep 11	56.8°F	52.9°F	57.0°F
Sep 12	57.3°F	52.9°F	57.0°F
Sep 13	56.5°F	52.9°F	56.9°F
Sep 14	56.4°F	52.8°F	57.0°F
Sep 15	57.3°F	54.2°F	57.2°F
Sep 16	57.3°F	54.0°F	57.3°F
Sep 17	57.5°F	52.5°F	57.4°F
Sep 18	57.3°F	52.3°F	57.2°F
Sep 19	57.4°F	51.6°F	57.4°F
Sep 20	57.3°F	50.6°F	57.2°F
Sep 21	56.9°F	49.0°F	56.9°F
Sep 22	57.0°F	50.5°F	56.9°F
Sep 23	57.0°F	49.9°F	56.9°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 60.6°F in Winter, 57.9°F in Spring, 57.5°F in Summer, and 57.8°F in Autumn.