Sakai-Senboku marine weather forecast
Sakai-Senboku (JPSBK) is a port in Japan at 34°33.0′N 135°26.0′E. Today (Nov 3): NNE wind 9–12 kn, waves 0.3–0.5 m, from the ECMWF IFS run 2026-11-03 00z. 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 |
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| UN/LOCODE | JPSBK |
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| Harbor size | Medium |
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| Harbor type | Coastal breakwater harbor |
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| Shelter | Good |
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| Channel depth | 16 m |
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| Anchorage depth | 9 m |
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| Tide range | 1 m |
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| Pilotage | Compulsory |
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| Time zone | Asia/Tokyo |
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Facilities & services (NGA World Port Index)| Tugs | Assistance available |
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| Supplies | Fuel oil, diesel, water |
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| Repairs | Limited |
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| Medical facilities | Available |
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10-day marine forecast — Sakai-Senboku
| Date | Wind | Gusts | Waves |
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| NNE 9–12 kn | 18 kn | 0.3–0.5 m |
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| NE 10–15 kn | 21 kn | 0.4–0.8 m |
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| WNW 2–14 kn | 20 kn | 0.3–0.6 m |
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| NW 13–17 kn | 24 kn | 0.6–0.7 m |
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| NNW 7–16 kn | 20 kn | 0.2–0.7 m |
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| NNE 8–9 kn | 11 kn | 0.2–0.4 m |
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| NNW 7–7 kn | 9 kn | 0.2–0.2 m |
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| W 12–12 kn | 18 kn | 0.4–0.4 m |
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| NNW 15–15 kn | 25 kn | 0.6–0.6 m |
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| NNW 6–6 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.
What to watch in the forecast
Across the loaded 10-day outlook, the strongest daily modeled wind reaches 17 kn on Nov 6. The highest modeled significant wave height is 0.8 m on Nov 4. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Sakai-Senboku right now?
As of the ECMWF IFS run 2026-11-03 00z: NNE wind 9–12 kn, waves 0.3–0.5 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.