Changshu Pt (CNCGS) — marine weather & port guide
Changshu Pt is a port in China at 31°46.0′N 120°57.0′E. Today (Aug 3): ESE wind 8–13 kn, waves 0.3–0.5 m, from the ECMWF IFS run 2026-08-03 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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10-day marine forecast — Changshu Pt
| Date | Wind | Gusts | Waves |
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| ESE 8–13 kn | 17 kn | 0.3–0.5 m |
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| E 7–15 kn | 20 kn | 0.3–0.6 m |
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| ENE 10–14 kn | 19 kn | 0.5–0.6 m |
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| NE 11–15 kn | 20 kn | 0.5–0.7 m |
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| NNE 17–21 kn | 27 kn | 0.7–1.0 m |
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| NE 22–30 kn | 37 kn | 1.0–1.3 m |
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| ENE 30–36 kn | 45 kn | 1.3–1.6 m |
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| ESE 25–25 kn | 39 kn | 1.2–1.2 m |
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| ESE 22–22 kn | 30 kn | 1.1–1.1 m |
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| SSE 19–19 kn | 25 kn | 0.9–0.9 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.
Frequently asked
How is the weather at Changshu Pt right now?
As of the ECMWF IFS run 2026-08-03 12z: ESE wind 8–13 kn, waves 0.3–0.5 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 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.