Saint-Gildas-de-Rhuys Sea Temperature

(Today) 2025

19.5°C / 67.1°F

The water will feel tepid. Swimming will be tolerable without a wetsuit, although it will take a little getting used to. If you intend to stay in the water for a while a 3/2mm wetsuit will be ideal.

Current weather

13°C / 55°F
(clear sky)
Partly cloudy
Wind
15 mph
Humidity
88%

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 5:32am
    (1.86m)
  • High 11:34am
    (3.85m)
  • Low 5:52pm
    (1.95m)
  • High 12:03am
    (3.96m)
  • Low 6:29am
    (1.98m)
  • High 12:38pm
    (3.81m)
  • Low 6:54pm
    (2.04m)
  • High 1:08am
    (3.9m)
  • Low 7:29am
    (2.02m)
  • High 1:42pm
    (3.85m)
  • Low 7:57pm
    (2.03m)
  • High 2:10am
    (3.92m)
  • Low 8:28am
    (1.98m)
  • High 2:40pm
    (3.97m)
  • Low 8:56pm
    (1.94m)
  • High 3:06am
    (4m)
  • Low 9:20am
    (1.87m)
  • High 3:31pm
    (4.12m)
  • Low 9:48pm
    (1.79m)
  • High 3:55am
    (4.13m)
  • Low 10:07am
    (1.73m)
  • High 4:15pm
    (4.3m)
  • Low 10:33pm
    (1.62m)
  • High 4:38am
    (4.27m)
  • Low 10:48am
    (1.58m)
  • High 4:57pm
    (4.47m)
  • Low 11:13pm
    (1.44m)
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.