Guangzhou Port Wind Ball Signals
| Division of Guangzhou Port | |
| Region | Description |
| No.1 | Guishan Island to Inner Lingding Island |
| No.2 | Inner Lingding Island to Humen Bridge |
| No.3 | Humen Bridge to Huangpu Bridge |
| No.4 | Upstream of Huangpu Bridge |
*Wind Ball Signal explain ：
| Wind Signal | Description | Wind Signal | Description |
| Strong Wind Signal N0.1 | There will be or is strong wind force of 6-7 scale in the harbor within 6 hours. | Strong Wind Signal N0.2 | There will be or there is strong wind force of over 8 scale in the harbor within 6 hours. |
| Typhoon Wind Signal N0.1 | The harbor might be affected by tropical cyclone within 48 hours. | Typhoon Wind Signal N0.2 | There will be strong wind force of 6-7 scale within 24 hours in the harbor. |
| Typhoon Wind Signal N0.3 | There will be strong wind force of over 8 scale within 12 hours in the harbor. | Typhoon Wind Signal N0.4 | The wind force will continue mounting, but under 12 scale. |
| Typhoon Wind Signal N0.5 | There will be strong wind force of over 12 scale in the harbor and nearby places. |