Water temperature in Port Nolloth

This data the coastal Port Nolloth 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 Port Nolloth

Water temperature in Port Nolloth today is 11°C. Based on our historical data over a period of ten years, the warmest water in this day in Port Nolloth was recorded in 2014 and was 13.9°C, and the coldest was recorded in 2023 at 9.8°C. Sea water temperature in Port Nolloth is expected to rise to 12.2°C in the next 10 days. September average water temperature in Port Nolloth is 12.1°C, the minimum temperature is 9°C, and the maximum is 14.2°C.

Throughout the year, the water temperature in Port Nolloth does not rise above 20°C and therefore is not suitable for comfortable swimming. The average water temperature in Port Nolloth in winter reaches 12.4°C, in spring 12.9°C, in summer the average temperature rises to 15.4°C, and in autumn it is 13.8°C.

Port Nolloth water temperature now

The sea salinity in Port Nolloth is 34.58‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Port Nolloth 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 Port Nolloth. 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 Port Nolloth. Data in table shown for 8 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Port Nolloth

Port Nolloth weather forecast

Current temperature and weather

Data in a table show Port Nolloth temperature today (8 September 2025). For more information and forecast for a few days, go to the weather forecast Port Nolloth.

0-3 h	3-6 h	6-9 h	9-12 h
11.6°C	11.8°C	11.8°C	13.9°C

12-15 h	15-18 h	18-21 h	21-24 h
16°C	16.1°C	14.2°C	12.8°C

Port Nolloth water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Port Nolloth. 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 Port Nolloth 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 Port Nolloth

The nearest beaches and cities from Port Nolloth 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
Alexander Bay	11.3°C	17°C		2.3 m
Hondeklip Bay	10.3°C	23°C		2.46 m
Strandfontein	12°C	15°C		2.06 m
Lambert's Bay	12°C	17°C		1.72 m
Elands Bay	12.1°C	23°C		1.56 m
Dwarskersbos	12.9°C	19°C		0.98 m
Britannia Bay	12°C	17°C		1.67 m
St Helena Bay	12.5°C	17°C		1.11 m
Paternoster	11.6°C	17°C		2.2 m
Velddrif	12.7°C	19°C		0.71 m

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Our report for Port Nolloth 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.