Busan to Chi-Lung — sea route & marine weather
The sea route from Busan (KRPUS) to Chi-Lung (TWKEL) is about 899 nm — about 4 days at 10 kn. Along the route today (Sep 17): NE wind 7–28 kn, waves 1.2–2.2 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 899 nm |
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| Passage time at 10 kn | about 4 days |
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| Great-circle distance | 706 nm |
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| Busan | 35°6.0′N 129°2.0′E |
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| Chi-Lung | 25°8.0′N 121°46.0′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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| NE 7–28 kn | 29 kn | 1.2–2.2 m |
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| NE 9–28 kn | 31 kn | 1.1–2.0 m |
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| NNE 9–18 kn | 18 kn | 1.0–2.0 m |
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| N 1–17 kn | 18 kn | 1.0–2.6 m |
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| NE 11–14 kn | 14 kn | 0.6–2.3 m |
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| ENE 7–19 kn | 20 kn | 0.9–1.6 m |
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| NE 9–12 kn | 12 kn | 0.8–1.2 m |
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| SSE 4–11 kn | 12 kn | 0.3–1.0 m |
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| ENE 7–12 kn | 14 kn | 0.5–1.0 m |
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| 5–13 kn | 16 kn | 0.6–1.1 m |
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Forecast from the NOAA GFS 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 Busan to Chi-Lung by sea?
The water route is 899 nm (1,664 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Chi-Lung to Busan.
How long does the passage from Busan to Chi-Lung take?
about 4 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 Busan and Chi-Lung today?
Along the route today, per the NOAA GFS run 2026-09-17 06z: NE wind 7–28 kn, waves 1.2–2.2 m. The day-by-day table on this page covers the next 10 days.