Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (17 Sep):
- Afternoon surf: Afternoon surf (17 Sep, local time) - 3ft (0.9m), 8s period with ENE swell.
- Evening surf: Evening surf (17 Sep, local time) - 4ft (1.2m), 8s period with ENE swell.
The current surf forecast for Riyue Bay (Riyuewan) at 12AM is: 0.9m 8s primary swell from a East-northeast direction and 0.2m 13s secondary swell from a East direction (forecast issued at 07:00pm September 16). The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | - | - |
| Afternoon (17 Sep) | 3ft (0.9m) | 8s |
| Evening (17 Sep) | 4ft (1.2m) | 8s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 38mm), heaviest during Sat afternoon. Warm (max 29°C on Thu morning, min 25°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 116 | 137 | 109 | 109 | 109 | 107 | 104 | 104 | 131 | 211 | 244 | 238 | 238 | 226 | 186 | 229 | 324 | 346 | 302 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross |
High Tide | 2:42PM0.77m | 00:59AM1.34m | 1:29AM1.35m | ||||||||||||||||
Low Tide | 5:28PM0.73m | 9:18AM0.37m | 10:36AM0.37m | ||||||||||||||||
 |  | | | | | |  | |  | | | | | | | |  | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | 6:40 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | 1 | 2 | 4 | 2 | 2 |
Temp °C | 28 | 26 | 26 | 26 | 25 | 27 | 29 | 29 | 28 | 26 | 26 | 26 | 26 | 26 | 28 | 29 | 27 | 26 | 26 |
Feels °C | 30 | 30 | 30 | 31 | 29 | 32 | 32 | 32 | 31 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 29 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | E 13 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | ENE 13 | E 13 | E 14 | E 14 |
| kJ | 13 | 137 | 109 | 109 | 109 | 107 | 104 | 104 | 131 | 137 | 165 | 161 | 157 | 153 | — | 34 | 3 | 16 | 16 |
Swell 2 Height (m) Direction Period (s) | — | E 13 | E 13 | E 13 | E 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | — | — | E 15 | E 15 | E 15 | — | — | — | — | — |
| kJ | — | 13 | 13 | 13 | 13 | 30 | 28 | 28 | 27 | — | — | 4 | 4 | 4 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 8 | — | — | — | — | — | — | — | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 |
| kJ | 116 | — | — | — | — | — | — | — | — | 211 | 244 | 238 | 238 | 226 | 186 | 229 | 324 | 346 | 302 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1075 | 356 | 0 | 0 | 0 | 0 | 347 | 1597 | 1075 | 715 | 0 | 0 | 0 | 0 | 1249 | 1249 | 1530 | 0 | 347 |
Best forecast wave conditions in Hainan | |||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||
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