Miyazu marine weather forecast
Miyazu (JPMIY) is a port in Japan at 35°32.0′N 135°12.0′E. Today (Nov 2): NNW wind 8–15 kn, waves 0.4–0.5 m, from the NOAA GFS run 2026-11-02 06z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 35°32.0′N 135°12.0′E |
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| UN/LOCODE | JPMIY |
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| Harbor size | Medium |
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| Harbor type | Coastal natural harbor |
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| Shelter | Fair |
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| Channel depth | 9 m |
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| Anchorage depth | 14 m |
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| Tide range | 1 m |
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| Pilotage | Advisable |
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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 — Miyazu
| Date | Wind | Gusts | Waves |
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| NNW 8–15 kn | 17 kn | 0.4–0.5 m |
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| N 7–13 kn | 15 kn | 0.3–0.4 m |
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| NE 8–11 kn | 12 kn | 0.4–0.7 m |
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| SW 1–21 kn | 25 kn | 0.3–0.6 m |
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| WNW 17–17 kn | 20 kn | 0.6–0.8 m |
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| NNW 15–15 kn | 17 kn | 0.4–0.7 m |
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| NW 8–8 kn | 8 kn | 0.3–0.3 m |
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| N 24–24 kn | 23 kn | 0.4–0.4 m |
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| NNE 7–7 kn | 8 kn | 0.5–0.5 m |
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| NW 8–8 kn | 11 kn | 0.2–0.2 m |
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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 24 kn on Nov 9. The highest modeled significant wave height is 0.8 m on Nov 6. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Miyazu right now?
As of the NOAA GFS run 2026-11-02 06z: NNW wind 8–15 kn, waves 0.4–0.5 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 Miyazu?
Miyazu is classed as a medium harbor (coastal natural harbor), with fair shelter in the NGA World Port Index.
How deep is the approach to Miyazu?
Per the NGA World Port Index, the entrance channel carries about 9 m and anchorage depths run about 14 m. Verify against current official charts before entry.