Les Sables-d'Olonne marine weather forecast
Les Sables-d'Olonne (FRLSO) is a port in France at 46°30.0′N 1°47.0′W. Today (Sep 16): NW wind 11–13 kn, waves 1.7–2.1 m, from the NOAA GFS run 2026-09-16 18z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 46°30.0′N 1°47.0′W |
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| UN/LOCODE | FRLSO |
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| Harbor size | Medium |
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| Harbor type | River basin harbor |
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| Shelter | Fair |
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| Channel depth | 6 m |
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| Anchorage depth | 8 m |
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| Tide range | 11 m |
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| Pilotage | Compulsory |
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| Time zone | Europe/Paris |
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Facilities & services (NGA World Port Index)| Supplies | Fuel oil, water, provisions |
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| Repairs | Limited |
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| Medical facilities | Available |
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10-day marine forecast — Les Sables-d'Olonne
| Date | Wind | Gusts | Waves |
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| NW 11–13 kn | 12 kn | 1.7–2.1 m |
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| WNW 6–13 kn | 13 kn | 1.7–2.2 m |
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| NNW 7–16 kn | 14 kn | 1.8–2.5 m |
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| NNW 4–8 kn | 8 kn | 1.7–2.4 m |
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| NNE 10–13 kn | 15 kn | 1.5–1.7 m |
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| N 13–13 kn | 19 kn | 1.7–1.8 m |
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| N 15–15 kn | 19 kn | 1.5–1.6 m |
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| N 14–14 kn | 20 kn | 1.4–1.4 m |
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| NNE 13–13 kn | 22 kn | 1.4–1.4 m |
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| N 12–12 kn | 15 kn | 1.1–1.1 m |
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Forecast from the NOAA GFS model run , waves from ECMWF WAM. Updated with each model cycle; the live chart below recalculates for your departure time and vessel.
What to watch in the forecast
Across the loaded 10-day outlook, the strongest daily modeled wind reaches 16 kn on Sep 18. The highest modeled significant wave height is 2.5 m on Sep 18. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Les Sables-d'Olonne right now?
As of the NOAA GFS run 2026-09-16 18z: NW wind 11–13 kn, waves 1.7–2.1 m. The 10-day outlook is in the forecast table on this page and updates with each model cycle.
How big is the harbor at Les Sables-d'Olonne?
Les Sables-d'Olonne is classed as a medium harbor (river basin harbor), with fair shelter in the NGA World Port Index.
How deep is the approach to Les Sables-d'Olonne?
Per the NGA World Port Index, the entrance channel carries about 6 m and anchorage depths run about 8 m. Verify against current official charts before entry.
What restricts entry to Les Sables-d'Olonne?
Entry is affected by tidal windows, overhead clearance limits. Check the live forecast on this page and official notices before approach.