Water temperature in La Tremblade

This data the coastal La Tremblade 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 La Tremblade

Water temperature in La Tremblade today is 19.3°C. Based on our historical data over a period of ten years, the warmest water in this day in the Bay of Biscay near La Tremblade was recorded in 2023 and was 21.2°C, and the coldest was recorded in 2018 at 17°C. Sea water temperature in La Tremblade is expected to drop to 18.1°C in the next 10 days. September average water temperature in La Tremblade is 19.2°C, the minimum temperature is 16.4°C, and the maximum is 22.5°C.

The swimming season in La Tremblade lasts from July to September. During those months, La Tremblade water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in La Tremblade in winter reaches 10.5°C, in spring 12.9°C, in summer the average temperature rises to 19.7°C, and in autumn it is 17°C.

La Tremblade water temperature now

The sea salinity in La Tremblade is 32.56‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in La Tremblade 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 La Tremblade. 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 La Tremblade. Data in table shown for 26 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in La Tremblade

La Tremblade weather forecast

Current temperature and weather

Data in a table show La Tremblade temperature today (26 September 2025). For more information and forecast for a few days, go to the weather forecast La Tremblade.

0-3 h	3-6 h	6-9 h	9-12 h
17°C	16.5°C	15.8°C	14.2°C

12-15 h	15-18 h	18-21 h	21-24 h
14.4°C	15.1°C	15.6°C	16.1°C

La Tremblade water temperature by month

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

The nearest beaches and cities from La Tremblade 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
Ronce-les-Bains	19.2°C	15°C		0.66 m
La Cotiniere	19.1°C	15°C		0.64 m
Saint-Trojan-les-Bains	19.1°C	15°C		0.32 m
Phare de La Coubre	19.3°C	17°C		0.46 m
Saint-Georges-d'Oleron	19.2°C	15°C		0.57 m
Saint-Pierre-d'Oleron	19.1°C	15°C		0.57 m
Bourcefranc Le Chapus	19.1°C	15°C		0.32 m
Le Chateau-d'Oleron	19.1°C	15°C		0.32 m
La Palmyre	19.4°C	17°C		0.46 m
Les Mathes	19.4°C	17°C		0.46 m

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Our report for La Tremblade 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.