Kobe to Wakayama-Shimotsu Ko — sea route & marine weather
The sea route from Kobe (JPUKB) to Wakayama-Shimotsu Ko (JPWAK) is about 34 nm — about 3 hours at 10 kn. Along the route today (Nov 2): NW wind 7–12 kn, waves 0.4–0.5 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 34 nm |
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| Passage time at 10 kn | about 3 hours |
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| Great-circle distance | 27 nm |
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| Kobe | 34°39.0′N 135°11.0′E |
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| Wakayama-Shimotsu Ko | 34°12.0′N 135°8.0′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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| NW 7–12 kn | 19 kn | 0.4–0.5 m |
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| N 8–10 kn | 17 kn | 0.3–0.4 m |
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| ENE 9–13 kn | 19 kn | 0.4–0.7 m |
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| NNW 3–13 kn | 18 kn | 0.3–0.6 m |
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| NW 13–17 kn | 22 kn | 0.6–0.8 m |
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| NNW 9–15 kn | 19 kn | 0.4–0.7 m |
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| N 10–10 kn | 12 kn | 0.3–0.3 m |
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| NNE 9–9 kn | 16 kn | 0.4–0.4 m |
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| NNE 12–12 kn | 20 kn | 0.5–0.5 m |
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| NNW 7–7 kn | 13 kn | 0.2–0.2 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 Kobe to Wakayama-Shimotsu Ko by sea?
The water route is 34 nm (63 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Wakayama-Shimotsu Ko to Kobe.
How long does the passage from Kobe to Wakayama-Shimotsu Ko take?
about 3 hours 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 Kobe and Wakayama-Shimotsu Ko today?
Along the route today, per the ECMWF IFS run 2026-11-02 00z: NW wind 7–12 kn, waves 0.4–0.5 m. The day-by-day table on this page covers the next 10 days.