Blanglancang (IDBLL) — marine weather & port guide
Blanglancang is a port in Indonesia at 5°14.0′N 97°6.0′E. Today (Aug 3): WSW wind 2–4 kn, 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 | 5°14.0′N 97°6.0′E |
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| UN/LOCODE | IDBLL |
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| Harbor size | Small |
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| Harbor type | Typhoon harbor |
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| Shelter | Fair |
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| Channel depth | 14 m |
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| Anchorage depth | 22 m |
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| Tide range | 0 m |
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| Pilotage | Compulsory |
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| Time zone | Asia/Jakarta |
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10-day marine forecast — Blanglancang
| Date | Wind | Gusts | Waves |
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| WSW 2–4 kn | 9 kn | — |
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| ESE 3–6 kn | 16 kn | — |
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| E 2–5 kn | 11 kn | — |
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| E 2–5 kn | 11 kn | — |
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| ENE 1–6 kn | 15 kn | — |
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| E 4–6 kn | 7 kn | — |
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| SE 1–4 kn | 5 kn | — |
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| SE 7–7 kn | 20 kn | — |
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| ENE 5–5 kn | 19 kn | — |
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| SE 2–2 kn | 17 kn | — |
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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 Blanglancang right now?
As of the ECMWF IFS run 2026-08-03 12z: WSW wind 2–4 kn. The 10-day outlook is in the forecast table on this page and updates with each model cycle.
How big is the harbor at Blanglancang?
Blanglancang is classed as a small harbor (typhoon harbor), with fair shelter in the NGA World Port Index.
How deep is the approach to Blanglancang?
Per the NGA World Port Index, the entrance channel carries about 14 m and anchorage depths run about 22 m. Verify against current official charts before entry.