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Water temperature in Summerstrand

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This data the coastal Summerstrand 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 Summerstrand

Water temperature in Summerstrand today is 18.1°C. Based on our historical data over a period of ten years, the warmest water in this day in Summerstrand was recorded in 2019 and was 18.6°C, and the coldest was recorded in 2008 at 16.3°C. Sea water temperature in Summerstrand is expected to drop to 17.4°C in the next 10 days. September average water temperature in Summerstrand is 17.3°C, the minimum temperature is 15.4°C, and the maximum is 19.7°C.

The swimming season in Summerstrand lasts from December to March. During those months, Summerstrand water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Summerstrand in winter reaches 17.2°C, in spring 17.8°C, in summer the average temperature rises to 20.6°C, and in autumn it is 19.2°C.

Summerstrand water temperature now


7 September 2025
today temp
18.1°C
6 September 2025
yesterday temp
17.8°C


Surf Forecast in Summerstrand 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 Summerstrand. 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 Summerstrand. 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)

0-3 h3-6 h6-9 h9-12 h
4' 8"4' 7"4' 6"4' 6"
1.43 m1.39 m1.37 m1.36 m
12-15 h15-18 h18-21 h21-24 h
4' 6"4' 5"4' 5"4' 6"
1.36 m1.35 m1.35 m1.36 m

Surf report in Summerstrand

Summerstrand wave height and direction

Summerstrand weather forecast

Summerstrand wind speed and direction

Current temperature and weather

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

0-3 h3-6 h6-9 h9-12 h
15.1°C14.4°C13.9°C17.6°C
12-15 h15-18 h18-21 h21-24 h
19.2°C19.6°C18.2°C17.9°C

You may also be interested in other sections of our site for Summerstrand: Sunrise and Sunset

Summerstrand water temperature by month

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

MonthAvrMinMax
January21.1°C17°C24°Cwarm
Sea water temperature in Summerstrand in January
February21°C17.8°C24.4°Cwarm
Sea water temperature in Summerstrand in February
March20.4°C15.8°C22.8°Cwarm
Sea water temperature in Summerstrand in March
April19°C16.1°C22.2°Ccold
Sea water temperature in Summerstrand in April
May18.3°C15.6°C21.5°Ccold
Sea water temperature in Summerstrand in May
June17.6°C14.6°C20.1°Ccold
Sea water temperature in Summerstrand in June
July17.2°C14.5°C18.9°Ccold
Sea water temperature in Summerstrand in July
August16.9°C14.8°C19°Ccold
Sea water temperature in Summerstrand in August
September17.3°C15.4°C19.7°Ccold
Sea water temperature in Summerstrand in September
October17.7°C15.8°C19.9°Ccold
Sea water temperature in Summerstrand in October
November18.5°C15.2°C21°Ccold
Sea water temperature in Summerstrand in November
December19.7°C16.5°C23.5°Ccold
Sea water temperature in Summerstrand in December

Chart monthly average water temperature in Summerstrand

Water temperature in Summerstrand

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Nearby beaches and cities

The nearest beaches and cities from Summerstrand 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

WaterWeatherWave
Plettenberg Bay17.5°C18°C2.13 m
Knysna17.5°C18°C2.39 m
Buffelsbaai17.4°C18°C2.36 m
Wilderness16.9°C17°C2.2 m
Victoria Bay17°C17°C2.13 m
George17.2°C17°C2.09 m
Mossel Bay17°C17°C1.83 m
Hartenbos16.7°C17°C1.96 m
Stilbaai16.2°C17°C1.97 m
Coffee Bay21°C21°C1.79 m

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Summerstrand 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.

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