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 13.69°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.

56.6

°F

July 26, 02:40

Trend:

stable

Yesterday:

56.5°F

Tomorrow:

56.6°F

Sunrise:

07:44

Sunset:

18:02

Day Length:

10 h. 18 min.

Cape Town in August

Minimum:

53.8°F

Average:

60.6°F

Maximum:

64.0°F

Sea water temperature in Cape Town today

As of now, in Cape Town, the water temperature is 56.6°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 0.8°F lower 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 59.5°F on 2018, while the historical minimum was 55.4°F on 2022.

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 histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 56.6°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
Jul 12	56.0°F	58.9°F	57.6°F
Jul 13	57.3°F	59.0°F	57.7°F
Jul 14	56.8°F	58.7°F	57.7°F
Jul 15	58.3°F	58.9°F	57.7°F
Jul 16	56.9°F	59.4°F	57.7°F
Jul 17	59.1°F	59.7°F	58.0°F
Jul 18	58.8°F	59.7°F	57.8°F
Jul 19	58.6°F	59.2°F	58.0°F
Jul 20	56.7°F	58.5°F	57.6°F
Jul 21	56.9°F	59.1°F	57.5°F
Jul 22	56.9°F	59.7°F	57.5°F
Jul 23	57.1°F	59.5°F	57.6°F
Jul 24	56.4°F	59.4°F	57.4°F
Jul 25	56.5°F	59.0°F	57.3°F
Jul 26	56.6°F	58.6°F	57.4°F
Jul 27	56.6°F	56.6°F	57.3°F
Jul 28	56.5°F	55.8°F	57.3°F
Jul 29	56.7°F	55.6°F	57.5°F
Jul 30	56.6°F	56.4°F	57.4°F
Jul 31	56.6°F	57.0°F	57.4°F
Aug 1	56.5°F	57.0°F	57.3°F
Aug 2	56.4°F	56.8°F	57.2°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 57.5°F in Autumn.