Port San Juan De La Juan — marine weather & port guide
Port San Juan De La Juan is a port in Chile at 53°38.0′S 70°55.0′W. Today (Aug 3): ENE wind 10–13 kn, waves 0.4–0.6 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 | 53°38.0′S 70°55.0′W |
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| Harbor size | Very small |
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| Harbor type | Coastal natural harbor |
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| Shelter | Fair |
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| Anchorage depth | 14 m |
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| Tide range | 4 m |
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| Time zone | America/Punta_Arenas |
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10-day marine forecast — Port San Juan De La Juan
| Date | Wind | Gusts | Waves |
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| ENE 10–13 kn | 20 kn | 0.4–0.6 m |
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| ENE 6–8 kn | 14 kn | 0.2–0.3 m |
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| NE 3–4 kn | 8 kn | 0.1–0.1 m |
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| ENE 4–13 kn | 23 kn | 0.1–0.6 m |
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| ENE 3–13 kn | 22 kn | 0.1–0.6 m |
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| SW 5–10 kn | 13 kn | 0.1–0.3 m |
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| WSW 10–11 kn | 14 kn | 0.3–0.4 m |
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| WSW 10–10 kn | 20 kn | 0.4–0.4 m |
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| WSW 4–4 kn | 13 kn | 0.2–0.2 m |
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| SE 2–2 kn | 6 kn | 0.0–0.0 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 Port San Juan De La Juan right now?
As of the ECMWF IFS run 2026-08-03 12z: ENE wind 10–13 kn, waves 0.4–0.6 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 Port San Juan De La Juan?
Port San Juan De La Juan is classed as a very small harbor (coastal natural harbor), with fair shelter in the NGA World Port Index.
How deep is the approach to Port San Juan De La Juan?
Per the NGA World Port Index, anchorage depths run about 14 m. Verify against current official charts before entry.