Nakagusuku marine weather forecast
Nakagusuku (JPNAK) is a port in Japan at 26°16.0′N 127°55.0′E. Today (Nov 3): NE wind 15–19 kn, waves 2.0–2.3 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 | 26°16.0′N 127°55.0′E |
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| UN/LOCODE | JPNAK |
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| Harbor size | Small |
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| Harbor type | Open roadstead |
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| Shelter | Poor |
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| Channel depth | 23 m |
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| Anchorage depth | 23 m |
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| Tide range | 2 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, water |
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| Repairs | Limited |
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| Medical facilities | Available |
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10-day marine forecast — Nakagusuku
| Date | Wind | Gusts | Waves |
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| NE 15–19 kn | 25 kn | 2.0–2.3 m |
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| ENE 2–16 kn | 22 kn | 2.1–2.3 m |
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| WNW 4–8 kn | 11 kn | 1.7–2.1 m |
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| NNE 15–22 kn | 29 kn | 1.7–2.4 m |
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| ENE 22–25 kn | 31 kn | 2.6–2.8 m |
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| ENE 16–17 kn | 21 kn | 2.1–2.6 m |
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| NE 16–16 kn | 20 kn | 1.9–1.9 m |
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| NNE 11–11 kn | 15 kn | 2.0–2.0 m |
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| NNE 19–19 kn | 32 kn | 2.7–2.7 m |
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| ENE 15–15 kn | 20 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 Nov 7. The highest modeled significant wave height is 2.8 m on Nov 7. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Nakagusuku right now?
As of the ECMWF IFS run 2026-11-03 00z: NE wind 15–19 kn, waves 2.0–2.3 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 Nakagusuku?
Nakagusuku is classed as a small harbor (open roadstead), with poor shelter in the NGA World Port Index.
How deep is the approach to Nakagusuku?
Per the NGA World Port Index, the entrance channel carries about 23 m and anchorage depths run about 23 m. Verify against current official charts before entry.