

Getting ready to sail
Weather and tides
Before setting sail from the Saint-Denis-d’Oléron marina, it’s essential to consult the weather forecasts and tide tables. This information enables you to plan your sailing in complete safety, and to optimize your entry and exit from the port. As the port of Saint-Denis-d’Oléron is accessible via a natural weir at 1.50 m, knowing the water level is essential for calculating your passage time. Weather forecasts are also posted every morning at the harbor office.

Wind, sea, times
Weather forecast
Local marine weather forecasts provide real-time information on sailing conditions off Saint-Denis-d’Oléron: wind, sea state, swell and visibility. This data is essential for safe sailing and planning your outings from the port.
Consult the detailed forecasts on the following specialized websites:
- Météo Consult: detailed weather forecasts for Saint-Denis-d’Oléron – Consult weather forecasts
- Windguru: wind and sea condition forecasts for Chassiron – Consult Windguru
- Windy: interactive real-time wind map – Consult Windy
In addition, weather forecasts are posted at the harbor master’s office every morning. You can also obtain forecasts by telephone:
- Pertuis answering machine: 08 92 68 08 17
- Departmental weather: 08 92 68 02 17
Prevailing winds in the harbor area blow from southwest to northwest. Nevertheless, the harbor basin remains well protected, offering comfortable mooring conditions even in strong winds.

Tide times
Consulting the tide tables is essential for any yachtsman using the port of Saint-Denis-d’Oléron. The port is accessible via a channel whose natural sill is 1.50 m from chart datum (1.90 m of water over the sill at mid-tide). Before entering or leaving the port, please :
- Calculate passage time according to your boat’s draught
- Add a pilot foot (safety margin of at least 0.50 m)
- Check the day’s tide times and heights
- Make sure the water level is high enough: weir + draught + pilot foot
Find tide times, heights and coefficients for Saint-Denis-d’Oléron on the reference sites:
- SHOM (Service hydrographique et océanographique de la Marine) – View SHOM schedules
- Marée.info-Consult the tides on marée.info
This data, combined with marine weather forecasts, guarantees safe access to the port, with no risk of grounding. In the off-season, the harbor master’s office’s opening hours are adapted to the tides, to keep pace with boat movements.
Don’t forget to contact the harbour master’s office on VHF channel 9 before entering the channel.

Discover the port of saint-denis d’oléron


