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 16.68°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

62.0

°F

March 31, 13:36

Trend:

increasing

Yesterday:

61.8°F

Tomorrow:

62.4°F

Sunrise:

06:58

Sunset:

18:43

Day Length:

11 h. 45 min.

Cape Town in April

Minimum:

58.9°F

Average:

61.6°F

Maximum:

66.1°F

Sea water temperature in Cape Town today

As of now, in Cape Town, the water temperature is 62.0°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 4.2°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 60.1°F on 2025, while the historical minimum was 55.0°F on 2020.

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 61.8°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
Mar 17	62.2°F	59.2°F	59.5°F
Mar 18	60.8°F	55.8°F	58.9°F
Mar 19	62.2°F	58.1°F	59.1°F
Mar 20	60.8°F	57.5°F	58.9°F
Mar 21	59.6°F	58.6°F	59.4°F
Mar 22	60.3°F	58.8°F	59.4°F
Mar 23	58.7°F	59.8°F	59.0°F
Mar 24	58.5°F	59.7°F	58.4°F
Mar 25	59.5°F	60.6°F	58.6°F
Mar 26	59.3°F	60.0°F	58.1°F
Mar 27	60.8°F	60.8°F	58.2°F
Mar 28	61.1°F	59.8°F	58.0°F
Mar 29	61.7°F	57.8°F	58.0°F
Mar 30	61.8°F	60.5°F	58.2°F
Mar 31	62.0°F	60.1°F	57.8°F
Apr 1	62.4°F	59.7°F	58.2°F
Apr 2	61.8°F	57.5°F	57.6°F
Apr 3	61.6°F	57.8°F	57.4°F
Apr 4	61.5°F	57.6°F	57.3°F
Apr 5	61.7°F	57.1°F	57.6°F
Apr 6	62.0°F	57.4°F	57.8°F
Apr 7	61.9°F	59.2°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 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, 57.8°F in Spring, 57.6°F in Summer, and 57.5°F in Autumn.