Surf spot
Dadonghai
Forecast conditions and map view for Dadonghai in China, South China Sea. Open the interactive surf map to inspect wind, waves, and nearby spots.
- Country
- China, South China Sea
- Coordinates
- 18.2209, 109.5177

Surf spot
Forecast conditions and map view for Dadonghai in China, South China Sea. Open the interactive surf map to inspect wind, waves, and nearby spots.
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| 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | |
| Wave height (m) | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.6 | 0.7 | 0.7 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.7 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.5 | 0.5 | 0.5 | 0.5 |
| Wave direction | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | S | S | SSE | SSE | SSE | SSE | SSE | S | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE |
| Wave period (s) | 5.8 | 5.7 | 5.4 | 5.3 | 5.2 | 5.1 | 5 | 5 | 5 | 5.1 | 5.2 | 5 | 4.9 | 4.8 | 4.5 | 4.4 | 4.2 | 3.1 | 4 | 2.6 | 2.9 | 3.3 | 3.4 | 3.5 | 3 | 3.1 | 3.1 | 3.3 | 3.5 | 3.5 | 3.6 | 3.9 | 3.6 | 3.7 | 3.9 | 4 | 4.4 | 4.3 | 4.6 | 4.7 | 4.9 | 4.2 | 4.4 | 4.7 | 4.9 | 4.8 | 5.3 | 5.3 | 5.2 | 4.8 | 4.6 | 4.5 | 4.7 | 4.7 | 4.7 | 4.8 |
| Wave energy (kJ) | 16 | 14 | 12 | 10 | 8 | 7 | 7 | 7 | 7 | 6 | 5 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 2 | 1 | 2 | 2 | 2 | 2 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 11 | 13 | 14 | 13 | 12 | 14 | 15 | 15 | 19 | 20 | 19 | 18 | 18 | 23 | 23 | 21 | 18 | 16 | 14 | 13 | 12 | 12 | 11 |
| Wind speed (km/h) | 3.6 | 5.9 | 5.9 | 3.4 | 8.1 | 4.3 | 6.5 | 6.9 | 4.7 | 2.5 | 1 | 6.1 | 10.9 | 22.1 | 13.7 | 2.5 | 4.1 | 5 | 4.5 | 8.7 | 10.8 | 5.4 | 2.9 | 3.6 | 1.9 | 5 | 9.6 | 13.9 | 14.6 | 10.2 | 8.4 | 10.5 | 6.6 | 7 | 1.5 | 5.1 | 13.7 | 14.8 | 6.2 | 6.4 | 9.3 | 5.8 | 2.5 | 3.7 | 11.7 | 9.2 | 4.6 | 4.6 | 1.6 | 1.6 | 4.2 | 11.9 | 14.4 | 14.2 | 5.8 | 4.6 |
| Wind direction | NGlassy | NWOffshore | NWCross-off | WSWGlassy | WSWCross | WGlassy | WCross | NWOffshore | NGlassy | NGlassy | NWGlassy | SWCross-on | WSWCross | WCross | NWCross-off | NGlassy | WSWGlassy | WNWCross-off | WNWGlassy | SWCross-on | SWCross-on | SWCross-on | SSEGlassy | EGlassy | SSEGlassy | SSWCross-on | SSWOnshore | SSWCross-on | SSWCross-on | SOnshore | SSEOnshore | SOnshore | SWCross-on | SWCross-on | WSWGlassy | SWCross-on | WCross | WSWCross | SWCross-on | SEOnshore | SSEOnshore | SOnshore | WGlassy | WSWGlassy | SWCross-on | WSWCross | SSWGlassy | ESEGlassy | WSWGlassy | NNEGlassy | WNWGlassy | WSWCross | WCross | WCross-off | WCross-off | SWGlassy |