Puerto San Julian (ARSJL) — marine weather & port guide
Puerto San Julian is a port in Argentina at 49°18.0′S 67°43.0′W. Today (Aug 3): SSW wind 6–10 kn, waves 3.0–3.4 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 | 49°18.0′S 67°43.0′W |
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| UN/LOCODE | ARSJL |
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| Harbor size | Very small |
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| Harbor type | Coastal natural harbor |
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| Shelter | Good |
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| Anchorage depth | 6 m |
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| Tide range | 3 m |
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| Pilotage | Compulsory |
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| Time zone | America/Argentina/Rio_Gallegos |
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10-day marine forecast — Puerto San Julian
| Date | Wind | Gusts | Waves |
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| SSW 6–10 kn | 15 kn | 3.0–3.4 m |
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| WSW 8–12 kn | 17 kn | 2.0–2.9 m |
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| WSW 9–12 kn | 17 kn | 1.5–1.8 m |
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| WNW 6–10 kn | 15 kn | 0.9–1.5 m |
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| W 7–13 kn | 16 kn | 0.8–1.1 m |
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| SSW 14–19 kn | 24 kn | 1.4–2.2 m |
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| SSW 14–17 kn | 22 kn | 3.9–4.1 m |
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| SSW 13–13 kn | 20 kn | 2.7–2.7 m |
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| WNW 7–7 kn | 10 kn | 1.6–1.6 m |
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| NW 4–4 kn | 9 kn | 0.8–0.8 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 Puerto San Julian right now?
As of the ECMWF IFS run 2026-08-03 12z: SSW wind 6–10 kn, waves 3.0–3.4 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 Puerto San Julian?
Puerto San Julian is classed as a very small harbor (coastal natural harbor), with good shelter in the NGA World Port Index.
How deep is the approach to Puerto San Julian?
Per the NGA World Port Index, anchorage depths run about 6 m. Verify against current official charts before entry.
What restricts entry to Puerto San Julian?
Entry is affected by tidal windows. Check the live forecast on this page and official notices before approach.