Chi-Lung to Ube Ko — sea route & marine weather
The sea route from Chi-Lung (TWKEL) to Ube Ko (JPUBJ) is about 908 nm — about 4 days at 10 kn. Along the route today (Aug 3): E wind 6–16 kn, waves 0.5–1.0 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 908 nm |
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| Passage time at 10 kn | about 4 days |
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| Great-circle distance | 722 nm |
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| Chi-Lung | 25°8.0′N 121°46.0′E |
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| Ube Ko | 33°56.0′N 131°14.0′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 6–16 kn | 21 kn | 0.5–1.0 m |
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| ENE 5–16 kn | 20 kn | 0.5–1.6 m |
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| NNE 3–18 kn | 24 kn | 0.7–2.2 m |
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| NNW 5–23 kn | 34 kn | 0.9–3.9 m |
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| W 10–46 kn | 58 kn | 0.8–9.4 m |
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| WSW 10–52 kn | 65 kn | 0.7–9.9 m |
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| SW 7–56 kn | 70 kn | 1.2–10.1 m |
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| SW 18–25 kn | 36 kn | 2.3–3.4 m |
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| S 3–21 kn | 31 kn | 1.4–2.4 m |
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| S 4–15 kn | 20 kn | 1.2–1.8 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 Chi-Lung to Ube Ko by sea?
The water route is 908 nm (1,681 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Ube Ko to Chi-Lung.
How long does the passage from Chi-Lung to Ube Ko 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 Chi-Lung and Ube Ko today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: E wind 6–16 kn, waves 0.5–1.0 m. The day-by-day table on this page covers the next 10 days.