Water temperature in Locmariaquer

This data the coastal Locmariaquer 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 Locmariaquer

Water temperature in Locmariaquer 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 Locmariaquer was recorded in 2023 and was 19.1°C, and the coldest was recorded in 2013 at 15.7°C. Sea water temperature in Locmariaquer is expected to drop to 16.4°C in the next 10 days. September average water temperature in Locmariaquer is 17.7°C, the minimum temperature is 15°C, and the maximum is 20.8°C.

Throughout the year, the water temperature in Locmariaquer does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of June, July, August, September, the water temperature warms up to 20°C and above. The average water temperature in Locmariaquer in winter reaches 9.6°C, in spring 12.1°C, in summer the average temperature rises to 17.9°C, and in autumn it is 15.6°C.

Locmariaquer water temperature now

The sea salinity in Locmariaquer is 31.74‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Locmariaquer 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 Locmariaquer. 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 Locmariaquer. 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)

Surf report in Locmariaquer

Locmariaquer weather forecast

Current temperature and weather

Data in a table show Locmariaquer temperature today (26 September 2025). For more information and forecast for a few days, go to the weather forecast Locmariaquer.

0-3 h	3-6 h	6-9 h	9-12 h
10.7°C	10°C	9.7°C	12.9°C

12-15 h	15-18 h	18-21 h	21-24 h
16.3°C	17.6°C	16°C	13.1°C

Locmariaquer water temperature by month

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

The nearest beaches and cities from Locmariaquer 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
Saint Philibert	17.1°C	18°C		0.23 m
Port Navalo	17.3°C	18°C		0.38 m
Locoal Mendon	17.2°C	18°C		0.35 m
Saint Gildas De Rhuys	17.3°C	18°C		0.31 m
Ile-aux-Moines	17.1°C	18°C		0.13 m
Plouharnel	17.3°C	18°C		0.35 m
Arradon	17.1°C	18°C		0.13 m
Belz	17.2°C	18°C		0.35 m
Erdeven	17.3°C	18°C		0.43 m
Île d'Arz	17.2°C	18°C		0.1 m

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Our report for Locmariaquer 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.