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 (Nov 3): NE wind 8–25 kn, waves 1.2–2.4 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 8–25 kn | 34 kn | 1.2–2.4 m |
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| E 5–26 kn | 36 kn | 0.8–4.7 m |
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| N 2–24 kn | 35 kn | 0.8–4.0 m |
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| NW 11–31 kn | 42 kn | 1.9–3.5 m |
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| N 2–22 kn | 27 kn | 1.4–2.8 m |
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| NE 7–18 kn | 23 kn | 0.8–2.0 m |
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| N 8–18 kn | 23 kn | 1.2–1.9 m |
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| N 9–24 kn | 34 kn | 1.3–2.8 m |
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| N 3–24 kn | 45 kn | 1.4–3.5 m |
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| NNW 6–9 kn | 22 kn | 0.7–1.7 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 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 2026-11-03 00z: NE wind 8–25 kn, waves 1.2–2.4 m. The day-by-day table on this page covers the next 10 days.