Saumlaki (IDSXK) — marine weather & port guide
Saumlaki is a port in Indonesia at 7°59.0′S 131°18.0′E. Today (Aug 3): ESE wind 18–21 kn, waves 1.6–1.9 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 | 7°59.0′S 131°18.0′E |
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| UN/LOCODE | IDSXK |
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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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| Channel depth | 5 m |
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| Anchorage depth | 23 m |
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| Tide range | 3 m |
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| Time zone | Asia/Jayapura |
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10-day marine forecast — Saumlaki
| Date | Wind | Gusts | Waves |
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| ESE 18–21 kn | 28 kn | 1.6–1.9 m |
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| ESE 18–20 kn | 27 kn | 1.7–1.8 m |
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| ESE 17–20 kn | 25 kn | 1.6–1.8 m |
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| ESE 15–18 kn | 26 kn | 1.3–1.7 m |
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| ESE 14–18 kn | 23 kn | 1.3–1.4 m |
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| ESE 12–15 kn | 19 kn | 1.1–1.2 m |
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| ESE 8–12 kn | 15 kn | 1.0–1.0 m |
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| E 12–12 kn | 17 kn | 0.9–0.9 m |
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| ESE 14–14 kn | 20 kn | 1.1–1.1 m |
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| ESE 14–14 kn | 19 kn | 1.1–1.1 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 Saumlaki right now?
As of the ECMWF IFS run 2026-08-03 12z: ESE wind 18–21 kn, waves 1.6–1.9 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 Saumlaki?
Saumlaki 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 Saumlaki?
Per the NGA World Port Index, the entrance channel carries about 5 m and anchorage depths run about 23 m. Verify against current official charts before entry.