Water temperature in KwaZulu-Natal

This data the coastal KwaZulu-Natal sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in KwaZulu-Natal

Water temperature in KwaZulu-Natal today is 20.7°C. Based on our historical data over a period of ten years, the warmest water in this day in the Indian Ocean near KwaZulu-Natal was recorded in 2011 and was 21.6°C, and the coldest was recorded in 2012 at 19.7°C. Sea water temperature in KwaZulu-Natal is expected to rise to 21.1°C in the next 10 days. September average water temperature in KwaZulu-Natal is 21.1°C, the minimum temperature is 19.6°C, and the maximum is 22.7°C.

The swimming season in KwaZulu-Natal lasts from January to December, twelve months per year! During those months, KwaZulu-Natal water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in KwaZulu-Natal in winter reaches 21.4°C, in spring 21.8°C, in summer the average temperature rises to 24.8°C, and in autumn it is 24.3°C.

KwaZulu-Natal water temperature now

The sea salinity in KwaZulu-Natal is 35.33‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in KwaZulu-Natal for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for KwaZulu-Natal. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast KwaZulu-Natal. Data in table shown for 7 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in KwaZulu-Natal

KwaZulu-Natal weather forecast

Current temperature and weather

Data in a table show KwaZulu-Natal temperature today (7 September 2025). For more information and forecast for a few days, go to the weather forecast KwaZulu-Natal.

0-3 h	3-6 h	6-9 h	9-12 h
18.4°C	17.8°C	17.5°C	21.1°C

12-15 h	15-18 h	18-21 h	21-24 h
24.3°C	25.5°C	21.9°C	21°C

KwaZulu-Natal water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in KwaZulu-Natal. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in KwaZulu-Natal on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in KwaZulu-Natal

The nearest beaches and cities from KwaZulu-Natal with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Umdloti	20.8°C	25°C		1.69 m
Amanzimtoti	20.7°C	25°C		2.03 m
Aliwal Shoal	20.8°C	26°C		1.62 m
Port Edward	21.4°C	22°C		1.93 m
Cape Vidal	22.7°C	30°C		2.12 m
Port Saint Johns	21.6°C	23°C		2.05 m
Ponta Malongane	22.8°C	25°C		1.35 m
Gonubie	17.7°C	21°C		1.96 m
Matola	23°C	30°C		0.38 m
Maputo	23.2°C	27°C		0.38 m

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Our report for KwaZulu-Natal is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.