Shibushi Wan marine weather forecast
Shibushi Wan (JPSBS) is a port in Japan at 31°28.0′N 131°6.0′E. Today (Sep 15): E wind 2–2 kn, waves 1.3–1.3 m, from the NOAA GFS run 2026-09-15 18z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 31°28.0′N 131°6.0′E |
|---|
| UN/LOCODE | JPSBS |
|---|
| Harbor size | Small |
|---|
| Harbor type | Coastal breakwater harbor |
|---|
| Shelter | Fair |
|---|
| Channel depth | 9 m |
|---|
| Anchorage depth | 22 m |
|---|
| Tide range | 2 m |
|---|
| Pilotage | Advisable |
|---|
| Time zone | Asia/Tokyo |
|---|
Facilities & services (NGA World Port Index)| Tugs | Assistance available |
|---|
| Supplies | Water |
|---|
| Repairs | Limited |
|---|
| Medical facilities | Available |
|---|
10-day marine forecast — Shibushi Wan
| Date | Wind | Gusts | Waves |
|---|
| E 2–2 kn | 3 kn | 1.3–1.3 m |
|---|
| NE 1–5 kn | 5 kn | 1.2–1.3 m |
|---|
| E 1–4 kn | 5 kn | 1.1–1.1 m |
|---|
| ENE 3–3 kn | 7 kn | 1.1–1.7 m |
|---|
| N 5–6 kn | 8 kn | 2.1–3.4 m |
|---|
| NNE 7–7 kn | 13 kn | 3.5–3.6 m |
|---|
| E 3–3 kn | 3 kn | 2.1–3.1 m |
|---|
| ESE 4–4 kn | 3 kn | 1.2–1.2 m |
|---|
| ESE 3–3 kn | 3 kn | 0.8–0.8 m |
|---|
| ESE 2–2 kn | 2 kn | 0.7–0.7 m |
|---|
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.
What to watch in the forecast
Across the loaded 10-day outlook, the strongest daily modeled wind reaches 7 kn on Sep 20. The highest modeled significant wave height is 3.6 m on Sep 20. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Shibushi Wan right now?
As of the NOAA GFS run 2026-09-15 18z: E wind 2–2 kn, waves 1.3–1.3 m. The 10-day outlook is in the forecast table on this page and updates with each model cycle.
How big is the harbor at Shibushi Wan?
Shibushi Wan is classed as a small harbor (coastal breakwater harbor), with fair shelter in the NGA World Port Index.
How deep is the approach to Shibushi Wan?
Per the NGA World Port Index, the entrance channel carries about 9 m and anchorage depths run about 22 m. Verify against current official charts before entry.
What restricts entry to Shibushi Wan?
Entry is affected by heavy swell, overhead clearance limits. Check the live forecast on this page and official notices before approach.