Surf Forecasts:
How big are the waves at Dongchong today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 4.5ft (1.3m), 10s period with S swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4.5ft (1.3m), 10s period with S swell.
- Evening surf: Evening surf (21 Aug, local time) - 4.5ft (1.3m), 10s period with S swell.
The current surf forecast for Dongchong at 6PM is: 1.3m 10s primary swell from a South direction (forecast issued at 01:00pm August 21). The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 4.5ft (1.3m) | 10s |
| Afternoon (21 Aug) | 4.5ft (1.3m) | 10s |
| Evening (21 Aug) | 4.5ft (1.3m) | 10s |
Table - waves today at Dongchong. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Sat night. Warm (max 30°C on Sat afternoon, min 27°C on Sun afternoon). Wind will be generally light. | |||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||
11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | SSW 9 | SSW 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 314 | 307 | 307 | 301 | 295 | 295 | 295 | 280 | 280 | 235 | 235 | 230 | 383 | 585 | 192 | 155 | 148 | 120 | 117 | 115 | 86 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | off | off | glassy | cross | glassy | cross-off | glassy |
High Tide | 12:23PM0.66m | 1:52AM1.57m | 1:06PM0.56m | 3:04AM1.56m | 8:53PM0.89m | ||||||||||||||||
Low Tide | 2:45PM0.61m | 11:06AM0.53m | 3:04PM0.53m | 12:25PM0.45m | 9:48PM0.88m | ||||||||||||||||
 | |  |  | | |  |  | | | | | | | | | |  | | | | |
 | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | — | — | — | 1 | 1 | 1 | — | — | 2 | 2 | 4 | 2 | 1 | 1 | — | 4 | 1 | 2 |
Temp °C | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 30 | 29 | 28 | 28 | 28 | 28 | 29 | 30 | 27 | 28 | 27 |
Feels °C | 34 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 34 | 32 | 32 | 32 | 33 | 33 | 35 | 35 | 34 | 34 | 33 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | E 11 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 |
| kJ | 314 | 307 | 307 | 301 | 295 | 295 | 295 | 280 | 280 | 235 | 235 | 2 | 230 | 196 | 192 | 155 | 148 | 120 | 117 | 115 | 86 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | E 11 | E 11 | E 11 | E 10 | E 11 | — | — | — | E 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 | 2 | 2 | — | — | — | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 9 | SSW 9 | SSW 9 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 230 | 383 | 585 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 702 | 1754 | 791 | 791 | 0 | 0 | 0 | 0 | 781 | 2272 | 648 | 648 | 4 | 0 | 0 | 0 | 0 | 702 | 0 | 0 | 0 |
Best forecast wave conditions in Guangdong | |||||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||||
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