Mersa Sfax (TNSFA) — marine weather & port guide
Mersa Sfax is a port in Tunisia at 34°44.0′N 10°46.0′E. Today (Aug 3): SSE wind 8–12 kn, waves 0.4–0.5 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 | 34°44.0′N 10°46.0′E |
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| UN/LOCODE | TNSFA |
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| Harbor size | Small |
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| Harbor type | Coastal breakwater harbor |
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| Shelter | Good |
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| Channel depth | 11 m |
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| Anchorage depth | 6 m |
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| Tide range | 2 m |
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| Pilotage | Compulsory |
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| Time zone | Africa/Tunis |
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10-day marine forecast — Mersa Sfax
| Date | Wind | Gusts | Waves |
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| SSE 8–12 kn | 15 kn | 0.4–0.5 m |
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| SE 8–12 kn | 16 kn | 0.4–0.6 m |
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| ESE 9–12 kn | 15 kn | 0.6–0.8 m |
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| NE 12–17 kn | 23 kn | 0.7–0.9 m |
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| NNE 11–14 kn | 18 kn | 0.6–0.7 m |
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| NNE 6–11 kn | 13 kn | 0.4–0.5 m |
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| N 1–4 kn | 5 kn | 0.2–0.2 m |
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| ESE 3–3 kn | 8 kn | 0.2–0.2 m |
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| E 2–2 kn | 7 kn | 0.1–0.1 m |
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| E 3–3 kn | 6 kn | 0.2–0.2 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 Mersa Sfax right now?
As of the ECMWF IFS run 2026-08-03 12z: SSE wind 8–12 kn, waves 0.4–0.5 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 Mersa Sfax?
Mersa Sfax is classed as a small harbor (coastal breakwater harbor), with good shelter in the NGA World Port Index.
How deep is the approach to Mersa Sfax?
Per the NGA World Port Index, the entrance channel carries about 11 m and anchorage depths run about 6 m. Verify against current official charts before entry.