Changshu Pt marine weather forecast
Changshu Pt (CNCGS) is a port in China at 31°46.0′N 120°57.0′E. Today (Sep 13): NE wind 6–9 kn, waves 0.2–0.3 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 | 31°46.0′N 120°57.0′E |
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| UN/LOCODE | CNCGS |
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| Harbor size | Small |
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| Harbor type | Open roadstead |
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| Shelter | Fair |
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| Channel depth | 6 m |
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| Anchorage depth | 13 m |
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| Tide range | 3 m |
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| Pilotage | Compulsory |
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| Time zone | Asia/Shanghai |
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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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10-day marine forecast — Changshu Pt
| Date | Wind | Gusts | Waves |
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| NE 6–9 kn | 12 kn | 0.2–0.3 m |
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| NNE 11–16 kn | 21 kn | 0.4–0.7 m |
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| NE 10–14 kn | 20 kn | 0.4–0.7 m |
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| ENE 8–11 kn | 16 kn | 0.3–0.5 m |
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| E 13–14 kn | 18 kn | 0.5–0.6 m |
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| ENE 12–15 kn | 19 kn | 0.6–0.7 m |
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| NE 12–14 kn | 18 kn | 0.6–0.7 m |
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| NNE 17–17 kn | 23 kn | 0.8–0.8 m |
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| N 18–18 kn | 26 kn | 0.9–0.9 m |
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| NE 16–16 kn | 24 kn | 0.8–0.8 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 18 kn on Sep 21. The highest modeled significant wave height is 0.9 m on Sep 21. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Changshu Pt right now?
As of the ECMWF IFS run 2026-09-13 12z: NE wind 6–9 kn, waves 0.2–0.3 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 Changshu Pt?
Changshu Pt is classed as a small harbor (open roadstead), with fair shelter in the NGA World Port Index.
How deep is the approach to Changshu Pt?
Per the NGA World Port Index, the entrance channel carries about 6 m and anchorage depths run about 13 m. Verify against current official charts before entry.