Water temperature in Terenez

This data the coastal Terenez 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 Terenez

Water temperature in Terenez today is 17°C. Based on our historical data over a period of ten years, the warmest water in this day in the La Manche near Terenez was recorded in 2023 and was 18.1°C, and the coldest was recorded in 2015 at 15.6°C. Sea water temperature in Terenez is expected to drop to 16.4°C in the next 10 days. September average water temperature in Terenez is 16.4°C, the minimum temperature is 14.9°C, and the maximum is 18.4°C.

Throughout the year, the water temperature in Terenez does not rise above 20°C and therefore is not suitable for comfortable swimming. The average water temperature in Terenez in winter reaches 10.7°C, in spring 11°C, in summer the average temperature rises to 15.7°C, and in autumn it is 14.9°C.

Terenez water temperature now

The sea salinity in Terenez is 34.68‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Terenez 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 Terenez. 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 Terenez. 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 Terenez

Terenez weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
15.2°C	15.1°C	14.7°C	15.3°C

12-15 h	15-18 h	18-21 h	21-24 h
17.4°C	17°C	16.9°C	15.4°C

Terenez water temperature by month

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

The nearest beaches and cities from Terenez 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
Primel Tregastel	17.4°C	17°C		0.92 m
Locquirec	17.7°C	18°C		0.91 m
Beg Leguer	17.8°C	18°C		0.88 m
Locquemeau	17.7°C	18°C		0.88 m
Trebeurden	17.6°C	18°C		1.18 m
Pleumeur-Bodou	17.6°C	18°C		1.18 m
Tregastel	17.8°C	18°C		0.98 m
Perros Guirec	18°C	18°C		0.74 m
Ploumanach	18°C	18°C		0.74 m
Plouneour Trez	15.8°C	17°C		1.58 m

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Our report for Terenez 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.