Kawasaki Ko to Moji/Kitakyushu — sea route & marine weather
The sea route from Kawasaki Ko (JPKWS) to Moji/Kitakyushu (JPMOJ) is about 845 nm — about 4 days at 10 kn. Along the route today (Aug 3): NE wind 6–26 kn, waves 0.6–4.0 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 845 nm |
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| Passage time at 10 kn | about 4 days |
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| Great-circle distance | 445 nm |
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| Kawasaki Ko | 35°30.0′N 139°46.0′E |
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| Moji/Kitakyushu | 33°57.0′N 130°58.0′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 6–26 kn | 34 kn | 0.6–4.0 m |
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| NE 5–25 kn | 34 kn | 0.6–4.4 m |
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| ENE 3–30 kn | 39 kn | 0.7–5.7 m |
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| E 5–43 kn | 57 kn | 0.9–8.0 m |
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| SSE 6–37 kn | 52 kn | 0.8–8.1 m |
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| ESE 1–30 kn | 38 kn | 0.7–4.7 m |
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| NNE 7–25 kn | 31 kn | 1.2–4.0 m |
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| ENE 9–21 kn | 30 kn | 2.3–3.0 m |
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| S 3–23 kn | 34 kn | 1.4–2.9 m |
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| ENE 9–18 kn | 28 kn | 1.2–2.1 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 far is it from Kawasaki Ko to Moji/Kitakyushu by sea?
The water route is 845 nm (1,564 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Moji/Kitakyushu to Kawasaki Ko.
How long does the passage from Kawasaki Ko to Moji/Kitakyushu 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 Kawasaki Ko and Moji/Kitakyushu today?
Along the route today, per the ECMWF IFS run 2026-08-03 12z: NE wind 6–26 kn, waves 0.6–4.0 m. The day-by-day table on this page covers the next 10 days.