Water temperature in Cayeux Sur Mer

This data the coastal Cayeux 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 Cayeux Sur Mer

Water temperature in Cayeux Sur Mer today is 19.3°C. Based on our historical data over a period of ten years, the warmest water in this day in Cayeux Sur Mer was recorded in 2022 and was 20.9°C, and the coldest was recorded in 2008 at 17.5°C. Sea water temperature in Cayeux Sur Mer is expected to drop to 18.3°C in the next 10 days. September average water temperature in Cayeux Sur Mer is 18.1°C, the minimum temperature is 16.1°C, and the maximum is 21.4°C.

The swimming season in Cayeux Sur Mer lasts only one month - August. During this month, Cayeux Sur Mer water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Cayeux Sur Mer in winter reaches 8.2°C, in spring 10.1°C, in summer the average temperature rises to 17.9°C, and in autumn it is 15.5°C.

Cayeux Sur Mer water temperature now

The sea salinity in Cayeux Sur Mer is 31.10‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Cayeux 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 Cayeux 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 Cayeux Sur Mer. Data in table shown for 6 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Cayeux Sur Mer

Cayeux Sur Mer weather forecast

Current temperature and weather

Data in a table show Cayeux Sur Mer temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Cayeux Sur Mer.

0-3 h	3-6 h	6-9 h	9-12 h
12.9°C	11.9°C	11.9°C	17.3°C

12-15 h	15-18 h	18-21 h	21-24 h
20.6°C	21°C	18.5°C	13.6°C

Cayeux Sur Mer water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Cayeux 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 Cayeux 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 Cayeux Sur Mer

The nearest beaches and cities from Cayeux Sur Mer 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
Le Crotoy	19.3°C	21°C		0.96 m
Saint Valery Sur Somme	19.3°C	21°C		0.96 m
Fort-Mahon-Plage	19.3°C	21°C		1.05 m
Quend Plage	19.3°C	21°C		1.05 m
Berck	19.4°C	18°C		1.05 m
Mers-les-Bains	19.5°C	19°C		1.03 m
Merlimont	19.4°C	18°C		1 m
Stella Plage	19.4°C	18°C		1 m
Le Touquet Paris Plage	19.2°C	18°C		0.98 m
Hardelot Plage	19°C	18°C		0.99 m

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Our report for Cayeux Sur Mer 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.