Tokyo to Wakamatsu/Kitakyushu — sea route & marine weather
The sea route from Tokyo (JPTYO) to Wakamatsu/Kitakyushu (JPWAM) is about 843 nm — about 4 days at 10 kn. Along the route today (Sep 19): NE wind 0–32 kn, waves 1.5–5.2 m. The baseline track is drawn on the chart; Calculate replans it for your vessel and live weather.
Passage facts| Sea-route distance | 843 nm |
|---|
| Passage time at 10 kn | about 4 days |
|---|
| Great-circle distance | 454 nm |
|---|
| Tokyo | 35°41.0′N 139°45.0′E |
|---|
| Wakamatsu/Kitakyushu | 33°53.0′N 130°49.0′E |
|---|
| Reference vessel | 4.5 m draft, 10 kn cruise |
|---|
10-day marine forecast — along the route
| Date | Wind | Gusts | Waves |
|---|
| NE 0–32 kn | 44 kn | 1.5–5.2 m |
|---|
| NNE 1–34 kn | 48 kn | 1.9–5.8 m |
|---|
| NNE 2–36 kn | 47 kn | 1.8–5.7 m |
|---|
| NE 1–23 kn | 31 kn | 1.1–2.6 m |
|---|
| 3–17 kn | 21 kn | 0.7–1.8 m |
|---|
| N 1–12 kn | 15 kn | 0.5–1.3 m |
|---|
| NE 2–17 kn | 21 kn | 0.4–1.4 m |
|---|
| SSW 2–17 kn | 23 kn | 0.5–1.3 m |
|---|
| 1–25 kn | 35 kn | 1.0–2.3 m |
|---|
| 2–17 kn | 23 kn | 0.6–1.3 m |
|---|
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 Tokyo to Wakamatsu/Kitakyushu by sea?
The water route is 843 nm (1,561 km), computed on WXMarine's maritime routing network. The same distance applies on the return passage from Wakamatsu/Kitakyushu to Tokyo.
How long does the passage from Tokyo to Wakamatsu/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 Tokyo and Wakamatsu/Kitakyushu today?
Along the route today, per the ECMWF IFS run 2026-09-19 00z: NE wind 0–32 kn, waves 1.5–5.2 m. The day-by-day table on this page covers the next 10 days.