Water temperature in La Tranche Sur Mer
This data the coastal La Tranche Sur Mer 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 Tranche Sur Mer
Water temperature in La Tranche Sur Mer today is 18.4°C. Based on our historical data over a period of ten years, the warmest water in this day in La Tranche Sur Mer was recorded in 2023 and was 20.2°C, and the coldest was recorded in 2007 at 17.4°C. Sea water temperature in La Tranche Sur Mer is expected to drop to 17.6°C in the next 10 days. September average water temperature in La Tranche Sur Mer is 18.9°C, the minimum temperature is 16.4°C, and the maximum is 22.2°C.
The swimming season in La Tranche Sur Mer lasts from July to September. During those months, La Tranche Sur Mer water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in La Tranche Sur Mer in winter reaches 9.8°C, in spring 12.5°C, in summer the average temperature rises to 19.2°C, and in autumn it is 16.4°C.
La Tranche Sur Mer water temperature now
| 26 September 2025 |
|---|
| today temp |
| 18.4°C |
| 25 September 2025 |
|---|
| yesterday temp |
| 18.6°C |
The sea salinity in La Tranche Sur Mer is 33.01‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in La Tranche Sur Mer 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 Tranche Sur Mer. 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 Tranche Sur Mer. 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)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 1' 8" | 1' 8" | 1' 9" | 1' 10" |
| 0.5 m | 0.51 m | 0.54 m | 0.55 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 10" | 1' 10" | 1' 9" | 1' 8" |
| 0.56 m | 0.56 m | 0.54 m | 0.52 m |
Surf report in La Tranche Sur Mer
La Tranche Sur Mer weather forecast
Current temperature and weather
Data in a table show La Tranche Sur Mer temperature today (26 September 2025). For more information and forecast for a few days, go to the weather forecast La Tranche Sur Mer.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | |  |
| 15.2°C | 14.5°C | 13.6°C | 13.4°C |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | |  |
| 15.7°C | 16.3°C | 15.9°C | 15.4°C |
You may also be interested in other sections of our site for La Tranche Sur Mer: Sunrise and Sunset, Tides
La Tranche Sur Mer water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in La Tranche Sur Mer. 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 Tranche Sur Mer 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 Tranche Sur Mer
