Sakai-Senboku (JPSBK) — marine weather & port guide
Sakai-Senboku is a port in Japan at 34°33.0′N 135°26.0′E. Today (Aug 3): NE wind 1–9 kn, waves 0.2–0.3 m, from the ECMWF IFS run 2026-08-03 12z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 34°33.0′N 135°26.0′E |
|---|
| UN/LOCODE | JPSBK |
|---|
| Harbor size | Medium |
|---|
| Harbor type | Coastal breakwater harbor |
|---|
| Shelter | Good |
|---|
| Channel depth | 16 m |
|---|
| Anchorage depth | 9 m |
|---|
| Tide range | 1 m |
|---|
| Pilotage | Compulsory |
|---|
| Time zone | Asia/Tokyo |
|---|
10-day marine forecast — Sakai-Senboku
| Date | Wind | Gusts | Waves |
|---|
| NE 1–9 kn | 9 kn | 0.2–0.3 m |
|---|
| SSE 3–11 kn | 14 kn | 0.2–0.4 m |
|---|
| E 1–13 kn | 19 kn | 0.3–0.7 m |
|---|
| ENE 9–15 kn | 20 kn | 0.6–0.9 m |
|---|
| SE 5–11 kn | 18 kn | 0.8–0.9 m |
|---|
| SE 6–11 kn | 13 kn | 0.6–0.7 m |
|---|
| ENE 4–5 kn | 6 kn | 0.4–0.5 m |
|---|
| SSE 3–3 kn | 11 kn | 0.3–0.3 m |
|---|
| S 7–7 kn | 19 kn | 0.5–0.5 m |
|---|
| SE 7–7 kn | 17 kn | 0.4–0.4 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 is the weather at Sakai-Senboku right now?
As of the ECMWF IFS run 2026-08-03 12z: NE wind 1–9 kn, waves 0.2–0.3 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 Sakai-Senboku?
Sakai-Senboku is classed as a medium harbor (coastal breakwater harbor), with good shelter in the NGA World Port Index.
How deep is the approach to Sakai-Senboku?
Per the NGA World Port Index, the entrance channel carries about 16 m and anchorage depths run about 9 m. Verify against current official charts before entry.
What restricts entry to Sakai-Senboku?
Entry is affected by tidal windows, overhead clearance limits. Check the live forecast on this page and official notices before approach.