Saint-Gildas-de-Rhuys Sea Temperature

(Today) 2025

16.3°C / 61.4°F

The water will feel medium. The water will feel a bit chilly in just bathers / swimming costume. If you plan on wearing a wetsuit 4/3mm should be thick enough.

Current weather

15°C / 59°F
(clear sky)
Partly cloudy
Wind
36 mph
Humidity
64%

The measurements for the water temperature in Saint-Gildas-de-Rhuys, Brittany are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Saint-Gildas-de-Rhuys water temperature derived from many years of historical sea surface temperature data.

Saint-Gildas-de-Rhuys average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Saint-Gildas-de-Rhuys
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 8.2 8.5 8.8 9.7 12.2 13.8 14.9 17.1 16.8 14.8 13.3 10.2
Max °C 11.4 10.6 10.9 14 16.1 18.6 20 19.4 19.6 18.6 17 14.6
Min °F 48 48.1 48.6 51.1 55.5 58.8 60.8 63.7 63.4 60.2 57.4 52.1
Max °F 51.2 50.2 50.7 55.4 59.4 63.6 65.9 66 66.2 64 61.1 56.5

The warmest water temperature is in August with an average around 64.8°F / 18.2°C. The coldest month is February with an average water temperature of 49.1°F / 9.5°C.

7 day tide forecast for Saint-Gildas-de-Rhuys

ThuFriSatSunMonTueWed
  • Low 12:18am
    (1.1m)
  • High 6:10am
    (4.89m)
  • Low 12:34pm
    (1.12m)
  • High 6:25pm
    (4.83m)
  • Low 12:48am
    (1.22m)
  • High 6:38am
    (4.82m)
  • Low 1:05pm
    (1.26m)
  • High 6:54pm
    (4.68m)
  • Low 1:18am
    (1.39m)
  • High 7:08am
    (4.69m)
  • Low 1:36pm
    (1.45m)
  • High 7:25pm
    (4.48m)
  • Low 1:49am
    (1.6m)
  • High 6:40am
    (4.5m)
  • Low 1:11pm
    (1.66m)
  • High 6:59pm
    (4.25m)
  • Low 1:24am
    (1.84m)
  • High 7:15am
    (4.27m)
  • Low 1:52pm
    (1.89m)
  • High 7:39pm
    (4m)
  • Low 2:08am
    (2.07m)
  • High 8:00am
    (4.03m)
  • Low 2:44pm
    (2.09m)
  • High 8:35pm
    (3.76m)
  • Low 3:07am
    (2.25m)
  • High 9:07am
    (3.84m)
  • Low 3:53pm
    (2.21m)
  • High 10:10pm
    (3.63m)
7 day tide times for Saint-Gildas-de-Rhuys

*These tide times are estimates based on the nearest accurate location (Port-Navalo, France) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.