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 (Nov 3): NE wind 18–22 kn, waves 1.6–1.9 m, from the ECMWF IFS run 2026-11-03 00z. 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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| NE 18–22 kn | 32 kn | 1.6–1.9 m |
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| E 12–17 kn | 24 kn | 1.0–1.3 m |
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| ESE 4–13 kn | 19 kn | 0.9–1.1 m |
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| SE 1–7 kn | 10 kn | 0.7–0.9 m |
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| E 10–14 kn | 17 kn | 0.7–0.9 m |
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| ESE 15–17 kn | 21 kn | 1.0–1.3 m |
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| SSW 13–13 kn | 16 kn | 1.2–1.2 m |
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| S 21–21 kn | 29 kn | 1.9–1.9 m |
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| S 20–20 kn | 26 kn | 2.0–2.0 m |
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| N 1–1 kn | 6 kn | 1.6–1.6 m |
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Forecast from the ECMWF IFS 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 22 kn on Nov 3. The highest modeled significant wave height is 2.0 m on Nov 11. 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 ECMWF IFS run 2026-11-03 00z: NE wind 18–22 kn, waves 1.6–1.9 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.