Qingdao to Onomichi-Itozaki — sea route & marine weather
The sea route from Qingdao (CNQIN) to Onomichi-Itozaki (JPONX) is about 731 nm — about 3 days at 10 kn. Along the route today (Nov 2): NNW wind 2–21 kn, waves 0.3–2.4 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 731 nm |
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| Passage time at 10 kn | about 3 days |
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| Great-circle distance | 641 nm |
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| Qingdao | 36°2.0′N 120°16.0′E |
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| Onomichi-Itozaki | 34°23.0′N 133°10.0′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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| NNW 2–21 kn | 22 kn | 0.3–2.4 m |
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| 2–14 kn | 14 kn | 0.2–2.0 m |
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| SE 2–23 kn | 27 kn | 0.2–2.9 m |
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| NW 5–25 kn | 28 kn | 0.3–3.0 m |
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| NNW 11–24 kn | 27 kn | 0.4–3.3 m |
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| NNE 7–21 kn | 22 kn | 0.4–2.7 m |
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| N 2–20 kn | 23 kn | 0.3–1.7 m |
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| N 4–23 kn | 25 kn | 0.2–1.5 m |
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| N 2–9 kn | 12 kn | 0.2–2.1 m |
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| WNW 5–15 kn | 16 kn | 0.2–3.0 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 Qingdao to Onomichi-Itozaki by sea?
The water route is 731 nm (1,354 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Onomichi-Itozaki to Qingdao.
How long does the passage from Qingdao to Onomichi-Itozaki 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 Qingdao and Onomichi-Itozaki today?
Along the route today, per the NOAA GFS run 2026-11-02 06z: NNW wind 2–21 kn, waves 0.3–2.4 m. The day-by-day table on this page covers the next 10 days.