Eastern Part Of Niigata-Ko marine weather forecast
Eastern Part Of Niigata-Ko (JPNIH) is a port in Japan at 38°1.0′N 139°14.0′E. Today (Sep 13): S wind 9–19 kn, waves 0.3–0.9 m, from the ECMWF IFS run 2026-09-13 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 | 38°1.0′N 139°14.0′E |
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| UN/LOCODE | JPNIH |
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| Harbor size | Small |
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| Harbor type | Coastal breakwater harbor |
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| Channel depth | 11 m |
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| Tide range | 0 m |
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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, provisions |
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| Repairs | Limited |
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| Medical facilities | Available |
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10-day marine forecast — Eastern Part Of Niigata-Ko
| Date | Wind | Gusts | Waves |
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| S 9–19 kn | 28 kn | 0.3–0.9 m |
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| WSW 4–16 kn | 24 kn | 0.6–1.0 m |
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| NNE 7–15 kn | 21 kn | 0.8–1.2 m |
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| NNE 6–16 kn | 23 kn | 0.8–1.3 m |
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| ENE 7–24 kn | 30 kn | 0.7–1.4 m |
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| ESE 23–25 kn | 31 kn | 1.3–1.5 m |
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| ESE 11–13 kn | 17 kn | 0.4–0.8 m |
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| ESE 1–1 kn | 6 kn | 0.2–0.2 m |
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| N 7–7 kn | 10 kn | 0.2–0.2 m |
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| N 23–23 kn | 31 kn | 1.9–1.9 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 25 kn on Sep 18. The highest modeled significant wave height is 1.9 m on Sep 22. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Eastern Part Of Niigata-Ko right now?
As of the ECMWF IFS run 2026-09-13 12z: S wind 9–19 kn, waves 0.3–0.9 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 Eastern Part Of Niigata-Ko?
Eastern Part Of Niigata-Ko is classed as a small harbor (coastal breakwater harbor) in the NGA World Port Index.
How deep is the approach to Eastern Part Of Niigata-Ko?
Per the NGA World Port Index, the entrance channel carries about 11 m. Verify against current official charts before entry.