Jakarta, Java to Dumai — sea route & marine weather
The sea route from Jakarta, Java (IDJKT) to Dumai (IDDUM) is about 651 nm — about 3 days at 10 kn. Along the route today (Aug 3): E wind 1–11 kn, waves 0.1–1.1 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 651 nm |
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| Passage time at 10 kn | about 3 days |
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| Great-circle distance | 568 nm |
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| Jakarta, Java | 6°6.0′S 106°53.0′E |
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| Dumai | 1°41.0′N 101°27.0′E |
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| Reference vessel | 4.5 m draft, 10 kn cruise |
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10-day marine forecast — along the route
| Date | Wind | Gusts | Waves |
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| E 1–11 kn | 14 kn | 0.1–1.1 m |
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| E 2–11 kn | 19 kn | 0.1–0.9 m |
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| E 1–13 kn | 21 kn | 0.1–0.9 m |
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| E 2–11 kn | 18 kn | 0.2–0.8 m |
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| E 2–13 kn | 21 kn | 0.1–1.0 m |
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| ESE 1–14 kn | 18 kn | 0.2–1.0 m |
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| ESE 1–14 kn | 18 kn | 0.2–1.0 m |
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| ENE 1–11 kn | 22 kn | 0.2–0.8 m |
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| ENE 2–13 kn | 22 kn | 0.2–0.8 m |
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| ENE 3–11 kn | 24 kn | 0.2–0.7 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 far is it from Jakarta, Java to Dumai by sea?
The water route is 651 nm (1,207 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Dumai to Jakarta, Java.
How long does the passage from Jakarta, Java to Dumai take?
about 3 days at a 10 kn cruise. Scale by your own speed: at half the speed it takes about twice as long. The planner on this page recalculates for your vessel and live weather.
What is the weather between Jakarta, Java and Dumai today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: E wind 1–11 kn, waves 0.1–1.1 m. The day-by-day table on this page covers the next 10 days.