Saint-Denis (RERUN) — marine weather & port guide
Saint-Denis is a port in Réunion at 20°52.0′S 55°27.0′E. Today (Aug 3): E wind 15–17 kn, waves 2.8–3.0 m, from the ECMWF IFS run 2026-08-03 12z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 20°52.0′S 55°27.0′E |
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| UN/LOCODE | RERUN |
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| Harbor size | Very small |
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| Harbor type | Open roadstead |
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| Shelter | Fair |
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| Channel depth | 23 m |
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| Anchorage depth | 17 m |
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| Tide range | 0 m |
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| Time zone | Indian/Reunion |
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10-day marine forecast — Saint-Denis
| Date | Wind | Gusts | Waves |
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| E 15–17 kn | 22 kn | 2.8–3.0 m |
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| E 15–17 kn | 23 kn | 2.8–2.9 m |
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| E 14–19 kn | 25 kn | 2.5–2.8 m |
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| E 16–19 kn | 25 kn | 2.5–2.8 m |
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| E 17–19 kn | 25 kn | 2.7–2.8 m |
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| E 14–17 kn | 21 kn | 2.7–2.8 m |
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| E 16–18 kn | 22 kn | 2.8–2.8 m |
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| E 16–16 kn | 24 kn | 3.0–3.0 m |
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| ENE 10–10 kn | 17 kn | 2.8–2.8 m |
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| ENE 5–5 kn | 11 kn | 2.4–2.4 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.
Frequently asked
How is the weather at Saint-Denis right now?
As of the ECMWF IFS run 2026-08-03 12z: E wind 15–17 kn, waves 2.8–3.0 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 Saint-Denis?
Saint-Denis is classed as a very small harbor (open roadstead), with fair shelter in the NGA World Port Index.
How deep is the approach to Saint-Denis?
Per the NGA World Port Index, the entrance channel carries about 23 m and anchorage depths run about 17 m. Verify against current official charts before entry.
What restricts entry to Saint-Denis?
Entry is affected by heavy swell. Check the live forecast on this page and official notices before approach.