This data the coastal Quatre Soeurs 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.
Water temperature in Quatre Soeurs today is 24.1°C. Based on our historical data over a period of ten years, the warmest water in this day in Quatre Soeurs was recorded in 2017 and was 24.6°C, and the coldest was recorded in 2022 at 23.2°C. Sea water temperature in Quatre Soeurs is expected to drop to 23.7°C in the next 10 days. September average water temperature in Quatre Soeurs is 23.8°C, the minimum temperature is 22.7°C, and the maximum is 25°C.
The swimming season in Quatre Soeurs lasts from January to December, twelve months per year! During those months, Quatre Soeurs water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Quatre Soeurs in winter reaches 27.7°C, in spring 27.4°C, in summer the average temperature rises to 24.4°C, and in autumn it is 24.6°C.
7 September 2025 |
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today temp |
24.1°C |
6 September 2025 |
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yesterday temp |
23.8°C |
The sea salinity in Quatre Soeurs is 35.12‰, and the average salinity of the World Ocean is 35‰.
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 Quatre Soeurs. 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 Quatre Soeurs. 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 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
6' 5" | 6' 7" | 6' 8" | 6' 9" |
1.96 m | 2 m | 2.02 m | 2.05 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
6' 9" | 6' 9" | 6' 10" | 7' 0" |
2.06 m | 2.07 m | 2.09 m | 2.14 m |
Data in a table show Quatre Soeurs temperature today (7 September 2025). For more information and forecast for a few days, go to the weather forecast Quatre Soeurs.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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![]() | ![]() | ![]() | ![]() |
21.7°C | 21.4°C | 21.4°C | 22.4°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
23.1°C | 22.8°C | 21.9°C | 21.6°C |
You may also be interested in other sections of our site for Quatre Soeurs: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Quatre Soeurs. 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 Quatre Soeurs 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
Month | Avr | Min | Max | |
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January | 27.9°C | 26.4°C | 29.5°C | hot |
Sea water temperature in Quatre Soeurs in January | ||||
February | 28.2°C | 26.5°C | 29.7°C | hot |
Sea water temperature in Quatre Soeurs in February | ||||
March | 28.1°C | 26.6°C | 29.5°C | hot |
Sea water temperature in Quatre Soeurs in March | ||||
April | 27.6°C | 26.3°C | 29°C | hot |
Sea water temperature in Quatre Soeurs in April | ||||
May | 26.6°C | 25.1°C | 28.2°C | hot |
Sea water temperature in Quatre Soeurs in May | ||||
June | 25.2°C | 23.9°C | 26.7°C | hot |
Sea water temperature in Quatre Soeurs in June | ||||
July | 24.2°C | 22.6°C | 25.7°C | warm |
Sea water temperature in Quatre Soeurs in July | ||||
August | 23.8°C | 22.5°C | 24.9°C | warm |
Sea water temperature in Quatre Soeurs in August | ||||
September | 23.8°C | 22.7°C | 25°C | warm |
Sea water temperature in Quatre Soeurs in September | ||||
October | 24.4°C | 23.1°C | 26.5°C | warm |
Sea water temperature in Quatre Soeurs in October | ||||
November | 25.6°C | 24°C | 27.3°C | hot |
Sea water temperature in Quatre Soeurs in November | ||||
December | 27°C | 25.6°C | 28.8°C | hot |
Sea water temperature in Quatre Soeurs in December |