Su-Ao marine weather forecast
Su-Ao is a port in Taiwan at 24°36.0′N 121°52.0′E. Today (Nov 2): NE wind 19–20 kn, waves 2.3–2.4 m, from the ECMWF IFS run 2026-11-02 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 | 24°36.0′N 121°52.0′E |
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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 | 14 m |
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| Anchorage depth | 20 m |
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| Tide range | 2 m |
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| Pilotage | Compulsory |
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| Time zone | Asia/Taipei |
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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 — Su-Ao
| Date | Wind | Gusts | Waves |
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| NE 19–20 kn | 27 kn | 2.3–2.4 m |
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| ENE 16–19 kn | 26 kn | 1.6–2.3 m |
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| SE 3–16 kn | 22 kn | 1.3–1.5 m |
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| N 7–20 kn | 26 kn | 1.2–2.0 m |
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| NE 18–20 kn | 26 kn | 2.1–2.2 m |
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| ENE 24–27 kn | 33 kn | 2.4–3.5 m |
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| E 17–21 kn | 26 kn | 2.3–2.9 m |
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| NNE 28–28 kn | 37 kn | 2.9–2.9 m |
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| NE 25–25 kn | 37 kn | 3.8–3.8 m |
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| ENE 22–22 kn | 30 kn | 2.7–2.7 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 28 kn on Nov 9. The highest modeled significant wave height is 3.8 m on Nov 10. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Su-Ao right now?
As of the ECMWF IFS run 2026-11-02 12z: NE wind 19–20 kn, waves 2.3–2.4 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 Su-Ao?
Su-Ao is classed as a medium harbor (coastal breakwater harbor), with good shelter in the NGA World Port Index.
How deep is the approach to Su-Ao?
Per the NGA World Port Index, the entrance channel carries about 14 m and anchorage depths run about 20 m. Verify against current official charts before entry.