Yokohama to Wakamatsu/Kitakyushu — sea route & marine weather
The sea route from Yokohama (JPYOK) to Wakamatsu/Kitakyushu (JPWAM) is about 827 nm — about 3 days at 10 kn. Along the route today (Sep 18): NE wind 2–30 kn, waves 1.2–4.2 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 827 nm |
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| Passage time at 10 kn | about 3 days |
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| Great-circle distance | 444 nm |
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| Yokohama | 35°27.0′N 139°35.0′E |
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| Wakamatsu/Kitakyushu | 33°53.0′N 130°49.0′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 2–30 kn | 40 kn | 1.2–4.2 m |
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| NE 12–30 kn | 41 kn | 1.6–5.1 m |
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| NNE 4–35 kn | 50 kn | 1.9–6.1 m |
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| N 3–28 kn | 37 kn | 1.5–5.3 m |
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| NE 7–23 kn | 29 kn | 0.9–2.7 m |
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| NE 2–16 kn | 19 kn | 0.7–1.6 m |
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| NE 6–10 kn | 12 kn | 0.6–1.0 m |
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| ENE 4–25 kn | 32 kn | 0.4–1.3 m |
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| SSE 5–14 kn | 23 kn | 0.5–1.4 m |
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| 9–22 kn | 37 kn | 1.0–2.0 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 Yokohama to Wakamatsu/Kitakyushu by sea?
The water route is 827 nm (1,533 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Wakamatsu/Kitakyushu to Yokohama.
How long does the passage from Yokohama to Wakamatsu/Kitakyushu 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 Yokohama and Wakamatsu/Kitakyushu today?
Along the route today, per the ECMWF IFS run 2026-09-18 00z: NE wind 2–30 kn, waves 1.2–4.2 m. The day-by-day table on this page covers the next 10 days.