
This data the coastal Biscarrosse 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 Biscarrosse today is 17.2°C. Based on our historical data over a period of ten years, the warmest water in this day in the Bay of Biscay near Biscarrosse was recorded in 2024 and was 17.7°C, and the coldest was recorded in 2007 at 14.5°C. Sea water temperature in Biscarrosse is expected to drop to 15.5°C in the next 10 days. November average water temperature in Biscarrosse is 15.7°C, the minimum temperature is 12.1°C, and the maximum is 18.7°C.
The swimming season in Biscarrosse lasts from July to September. During those months, Biscarrosse water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Biscarrosse in winter reaches 12.4°C, in spring 13.7°C, in summer the average temperature rises to 20.6°C, and in autumn it is 18.2°C.
| 7 November 2025 |
|---|
| today temp |
| 17.2°C |
| 6 November 2025 |
|---|
| yesterday temp |
| 17.2°C |
The sea salinity in Biscarrosse is 33.16‰, 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 Biscarrosse. 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 Biscarrosse. Data in table shown for 7 November 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 |
|---|---|---|---|
| 13' 10" | 12' 0" | 10' 4" | 8' 10" |
| 4.22 m | 3.65 m | 3.14 m | 2.68 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 7' 7" | 6' 9" | 6' 6" | 6' 5" |
| 2.3 m | 2.05 m | 1.97 m | 1.96 m |
Data in a table show Biscarrosse temperature today (7 November 2025). For more information and forecast for a few days, go to the weather forecast Biscarrosse.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 15°C | 15.1°C | 15.4°C | 15.2°C |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 15.7°C | 14.2°C | 13.5°C | 14.5°C |
You may also be interested in other sections of our site for Biscarrosse: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Biscarrosse. 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 Biscarrosse 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 | |
|---|---|---|---|---|
| January | 12.2°C | 10°C | 14.6°C | cold |
| Sea water temperature in Biscarrosse in January | ||||
| February | 11.4°C | 9.4°C | 13.1°C | cold |
| Sea water temperature in Biscarrosse in February | ||||
| March | 11.9°C | 10.1°C | 14.1°C | cold |
| Sea water temperature in Biscarrosse in March | ||||
| April | 13.5°C | 11.4°C | 16.1°C | cold |
| Sea water temperature in Biscarrosse in April | ||||
| May | 15.8°C | 12.9°C | 20.2°C | cold |
| Sea water temperature in Biscarrosse in May | ||||
| June | 19°C | 14.6°C | 21.9°C | cold |
| Sea water temperature in Biscarrosse in June | ||||
| July | 21.2°C | 18.4°C | 24°C | warm |
| Sea water temperature in Biscarrosse in July | ||||
| August | 21.7°C | 18.2°C | 24.6°C | warm |
| Sea water temperature in Biscarrosse in August | ||||
| September | 20.5°C | 17.1°C | 23.4°C | warm |
| Sea water temperature in Biscarrosse in September | ||||
| October | 18.4°C | 15.1°C | 22.3°C | cold |
| Sea water temperature in Biscarrosse in October | ||||
| November | 15.7°C | 12.1°C | 18.7°C | cold |
| Sea water temperature in Biscarrosse in November | ||||
| December | 13.5°C | 11.4°C | 16°C | cold |
| Sea water temperature in Biscarrosse in December | ||||
