Water temperature in Crozon

This data the coastal Crozon 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 Crozon

Water temperature in Crozon today is 17.8°C. Based on our historical data over a period of ten years, the warmest water in this day in the Celtic Sea near Crozon was recorded in 2023 and was 19.1°C, and the coldest was recorded in 2015 at 15.8°C. Sea water temperature in Crozon is expected to drop to 16.6°C in the next 10 days. September average water temperature in Crozon is 16.5°C, the minimum temperature is 14.5°C, and the maximum is 20.1°C.

Throughout the year, the water temperature in Crozon does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of August, September, the water temperature warms up to 20°C and above. The average water temperature in Crozon in winter reaches 10.5°C, in spring 11.6°C, in summer the average temperature rises to 16.8°C, and in autumn it is 15.1°C.

Crozon water temperature now

The sea salinity in Crozon is 34.51‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Crozon 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 Crozon. 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 Crozon. 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 Crozon

Crozon weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
14.2°C	14.1°C	13.8°C	16.1°C

12-15 h	15-18 h	18-21 h	21-24 h
17.9°C	18.3°C	17.1°C	14.2°C

Crozon water temperature by month

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

The nearest beaches and cities from Crozon 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
Morgat	17.8°C	18°C		1.32 m
La Palue	17.3°C	17°C		1.32 m
Telgruc-sur-Mer	17.9°C	17°C		0.86 m
Plougastel-Daoulas	18.3°C	18°C		0.34 m
Plage de Pentrez	18.1°C	17°C		0.86 m
Plomodiern	18.1°C	17°C		0.86 m
Plouzane	17.6°C	18°C		1.44 m
Tregana	17.4°C	18°C		1.44 m
Locmaria-Plouzane	17.4°C	18°C		1.44 m
Landevennec	18.6°C	18°C		0.27 m

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Our report for Crozon 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.