This data the coastal Cabo de Santo Agostinho 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 Cabo de Santo Agostinho today is 26.5°C. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Cabo de Santo Agostinho was recorded in 2023 and was 27°C, and the coldest was recorded in 2007 at 25.8°C. Sea water temperature in Cabo de Santo Agostinho is expected to be constant 26.5°C in the next 10 days. September average water temperature in Cabo de Santo Agostinho is 26.5°C, the minimum temperature is 25.7°C, and the maximum is 27.6°C.
The swimming season in Cabo de Santo Agostinho lasts from January to December, twelve months per year! During those months, Cabo de Santo Agostinho water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Cabo de Santo Agostinho in winter reaches 26.8°C, in spring 27°C, in summer the average temperature rises to 28.1°C, and in autumn it is 28.8°C.
7 September 2025 |
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today temp |
26.5°C |
6 September 2025 |
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yesterday temp |
26.5°C |
The sea salinity in Cabo de Santo Agostinho is 36.50‰, 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 Cabo de Santo Agostinho. 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 Cabo de Santo Agostinho. 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' 4" | 6' 2" | 6' 0" |
1.95 m | 1.92 m | 1.88 m | 1.82 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
5' 10" | 5' 10" | 5' 9" | 5' 7" |
1.79 m | 1.78 m | 1.74 m | 1.71 m |
Data in a table show Cabo de Santo Agostinho temperature today (7 September 2025). For more information and forecast for a few days, go to the weather forecast Cabo de Santo Agostinho.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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22.5°C | 21.4°C | 21.8°C | 26°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
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27.1°C | 25.7°C | 22.7°C | 22.7°C |
You may also be interested in other sections of our site for Cabo de Santo Agostinho: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Cabo de Santo Agostinho. 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 Cabo de Santo Agostinho 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