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 (Sep 15): N wind 1–7 kn, waves 0.2–0.4 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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| N 1–7 kn | 9 kn | 0.2–0.4 m |
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| NNE 3–14 kn | 18 kn | 0.3–0.4 m |
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| NNE 5–16 kn | 16 kn | 0.3–0.4 m |
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| NNW 4–5 kn | 6 kn | 0.2–0.4 m |
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| NNW 8–8 kn | 13 kn | 0.3–0.5 m |
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| N 17–17 kn | 21 kn | 0.4–0.7 m |
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| NNW 20–20 kn | 30 kn | 0.5–0.5 m |
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| N 17–17 kn | 19 kn | 0.6–0.6 m |
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| NNE 8–8 kn | 11 kn | 0.2–0.2 m |
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| WSW 3–3 kn | 4 kn | 0.2–0.2 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 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 NOAA GFS run 2026-09-15 06z: N wind 1–7 kn, waves 0.2–0.4 m. The day-by-day table on this page covers the next 10 days.