Georgetown marine weather forecast
Georgetown (SHASI) is a port in St. Helena at 7°56.0′S 14°25.0′W. Today (Sep 16): SE wind 16–19 kn, waves 1.9–2.1 m, from the ECMWF IFS run 2026-09-16 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 | 7°56.0′S 14°25.0′W |
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| UN/LOCODE | SHASI |
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| Harbor size | Medium |
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| Harbor type | Open roadstead |
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| Shelter | Poor |
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| Channel depth | 23 m |
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| Anchorage depth | 20 m |
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| Tide range | 1 m |
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| Time zone | Atlantic/St_Helena |
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Facilities & services (NGA World Port Index)| Repairs | Limited |
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| Medical facilities | Available |
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10-day marine forecast — Georgetown
| Date | Wind | Gusts | Waves |
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| SE 16–19 kn | 24 kn | 1.9–2.1 m |
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| SE 16–17 kn | 24 kn | 2.1–2.3 m |
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| ESE 10–16 kn | 22 kn | 2.2–2.4 m |
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| SE 13–16 kn | 20 kn | 2.2–2.4 m |
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| ESE 11–14 kn | 19 kn | 2.3–2.4 m |
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| SE 11–13 kn | 16 kn | 2.1–2.3 m |
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| ESE 12–15 kn | 19 kn | 2.0–2.2 m |
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| ESE 13–13 kn | 17 kn | 1.7–1.7 m |
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| E 11–11 kn | 15 kn | 1.6–1.6 m |
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| E 12–12 kn | 17 kn | 1.5–1.5 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 19 kn on Sep 16. The highest modeled significant wave height is 2.4 m on Sep 18. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Georgetown right now?
As of the ECMWF IFS run 2026-09-16 12z: SE wind 16–19 kn, waves 1.9–2.1 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 Georgetown?
Georgetown is classed as a medium harbor (open roadstead), with poor shelter in the NGA World Port Index.
How deep is the approach to Georgetown?
Per the NGA World Port Index, the entrance channel carries about 23 m and anchorage depths run about 20 m. Verify against current official charts before entry.