Andersen Harbor — marine weather & port guide
Andersen Harbor is a port in Antarctica at 64°19.0′S 62°56.0′W. Today (Aug 3): WSW wind 0–4 kn, waves 0.1–0.1 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 | 64°19.0′S 62°56.0′W |
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| Harbor size | Very small |
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| Harbor type | Coastal natural harbor |
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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 | 0 m |
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| Time zone | America/Argentina/Ushuaia |
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10-day marine forecast — Andersen Harbor
| Date | Wind | Gusts | Waves |
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| WSW 0–4 kn | 4 kn | 0.1–0.1 m |
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| S 1–3 kn | 7 kn | 0.1–0.2 m |
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| E 1–2 kn | 4 kn | 0.2–0.3 m |
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| SE 2–2 kn | 5 kn | 0.2–0.3 m |
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| ESE 1–3 kn | 4 kn | 0.2–0.2 m |
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| SSE 1–6 kn | 8 kn | 0.1–0.2 m |
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| ENE 1–3 kn | 4 kn | 0.1–0.1 m |
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| NNE 4–4 kn | 8 kn | 0.1–0.1 m |
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| NE 4–4 kn | 6 kn | 0.2–0.2 m |
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| ENE 4–4 kn | 16 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 Andersen Harbor right now?
As of the ECMWF IFS run 2026-08-03 12z: WSW wind 0–4 kn, waves 0.1–0.1 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 Andersen Harbor?
Andersen Harbor is classed as a very small harbor (coastal natural harbor), with poor shelter in the NGA World Port Index.
How deep is the approach to Andersen Harbor?
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.
What restricts entry to Andersen Harbor?
Entry is affected by ice, heavy swell. Check the live forecast on this page and official notices before approach.