Water temperature in Sao Tome

This data the coastal Sao Tome 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 Sao Tome

Water temperature in Sao Tome today is 25.3°C. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Sao Tome was recorded in 2021 and was 26.2°C, and the coldest was recorded in 2015 at 24.8°C. Sea water temperature in Sao Tome is expected to rise to 25.9°C in the next 10 days. September average water temperature in Sao Tome is 25.9°C, the minimum temperature is 24.2°C, and the maximum is 27.3°C.

The swimming season in Sao Tome lasts from January to December, twelve months per year! During those months, Sao Tome water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Sao Tome in winter reaches 28.3°C, in spring 28.7°C, in summer the average temperature rises to 25.3°C, and in autumn it is 26.7°C.

Sao Tome water temperature now

The sea salinity in Sao Tome is 34.28‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Sao Tome 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 Sao Tome. 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 Sao Tome. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Sao Tome

Sao Tome weather forecast

Current temperature and weather

Data in a table show Sao Tome temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast Sao Tome.

0-3 h	3-6 h	6-9 h	9-12 h
24.7°C	24.3°C	23°C	23.5°C

12-15 h	15-18 h	18-21 h	21-24 h
23.9°C	24.1°C	25°C	24.9°C

Sao Tome water temperature by month

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

The nearest beaches and cities from Sao Tome 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
Sao Jose dos Angolaresh	25.2°C	24°C		1.24 m
Port-Gentil	25°C	24°C		0.73 m
Libreville	25.4°C	29°C		0.36 m
Cocobeach	25.7°C	26°C		0.25 m
Bata	26.1°C	24°C		0.56 m
Luba	26°C	24°C		0.62 m
Bioko	26°C	24°C		0.67 m
Kribi	26.1°C	26°C		0.79 m
Malabo	25.9°C	24°C		0.55 m
Brass	26.5°C	26°C		0.58 m

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Our report for Sao Tome 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.