Saint-Denis-d'Oléron Sea Temperature

(Today) 2025

20°C / 68°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

23°C / 73°F
(broken clouds)
Partly cloudy
Wind
13 mph
Humidity
72%

The measurements for the water temperature in Saint-Denis-d'Oléron, Poitou-Charentes 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-Denis-d'Oléron water temperature derived from many years of historical sea surface temperature data.

Saint-Denis-d'Oléron average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Saint-Denis-d'Oléron
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 9.9 9.1 8.7 10.3 13.2 15.7 17 18.3 17.6 15.3 13.5 10.9
Max °C 12 11.7 12.6 15.5 18.1 21 21.3 21.5 21.2 20.4 18.1 15.7
Min °F 50.6 49.4 49.2 52.6 57.7 62.3 64.3 66.2 65.1 61.5 58.1 53.5
Max °F 52.7 52 53.1 57.8 62.6 67.6 68.6 69.4 68.7 66.6 62.7 58.3

The warmest water temperature is in August with an average around 67.8°F / 19.9°C. The coldest month is February with an average water temperature of 50.7°F / 10.4°C.

7 day tide forecast for Saint-Denis-d'Oléron

TueWedThuFriSatSunMon
  • High 2:51am
    (4.16m)
  • Low 8:16am
    (1.77m)
  • High 3:18pm
    (4.41m)
  • Low 8:59pm
    (1.53m)
  • High 3:58am
    (4.39m)
  • Low 9:29am
    (1.56m)
  • High 4:15pm
    (4.7m)
  • Low 10:06pm
    (1.22m)
  • High 4:48am
    (4.63m)
  • Low 10:28am
    (1.25m)
  • High 5:00pm
    (4.96m)
  • Low 10:59pm
    (0.91m)
  • High 5:27am
    (4.83m)
  • Low 11:18am
    (0.95m)
  • High 5:36pm
    (5.17m)
  • Low 11:45pm
    (0.67m)
  • High 5:57am
    (4.97m)
  • Low 12:01pm
    (0.73m)
  • High 6:05pm
    (5.3m)
  • Low 12:26am
    (0.53m)
  • High 6:22am
    (5.05m)
  • Low 12:41pm
    (0.62m)
  • High 6:30pm
    (5.35m)
  • Low 1:04am
    (0.52m)
  • High 6:45am
    (5.1m)
  • Low 1:19pm
    (0.62m)
  • High 6:56pm
    (5.34m)
7 day tide times for Saint-Denis-d'Oléron

*These tide times are estimates based on the nearest accurate location (La Rochelle-La Pallice, 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.