Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 3ft (0.9m), 9s period with S swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 3ft (0.9m), 9s period with S swell.
- Evening surf: Evening surf (11 Aug, local time) - 3.5ft (1.0m), 8s period with S swell.
The current surf forecast for Riyue Bay (Riyuewan) at 8AM is: 0.9m 8s primary swell from a South direction and 0.1m 15s secondary swell from a East direction (forecast issued at 01:00am August 11). An open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 3ft (0.9m) | 9s |
| Afternoon (11 Aug) | 3ft (0.9m) | 9s |
| Evening (11 Aug) | 3.5ft (1.0m) | 8s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Thu afternoon. Warm (max 33°C on Wed afternoon, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||||||||
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 | 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 8 | S 8 | S 8 | S 9 | S 9 | S 8 | S 8 | S 8 | S 9 | S 8 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSW 5 | S 8 | S 8 | S 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 111 | 107 | 113 | 103 | 127 | 113 | 133 | 143 | 150 | 173 | 146 | 150 | 116 | 111 | 133 | 133 | 133 | 105 | 103 | 80 | 102 | 95 | 98 | 182 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross |
High Tide | 7:48AM1.67m | 8:52AM1.69m | 9:50AM1.67m | |||||||||||||||||||||
Low Tide | 4:58PM-0.04m | 5:39PM-0.03m | 6:14PM0.04m | |||||||||||||||||||||
 | |  | |  |  |  | | | | | | | | | | | | | | | | |  | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — |
mm | — | — | — | — | — | 2 | 1 | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 3 | — | — |
Temp °C | 28 | 27 | 29 | 31 | 32 | 31 | 29 | 28 | 28 | 27 | 28 | 31 | 33 | 30 | 28 | 28 | 27 | 27 | 28 | 31 | 32 | 30 | 29 | 28 |
Feels °C | 33 | 31 | 33 | 35 | 35 | 35 | 33 | 33 | 32 | 31 | 31 | 34 | 35 | 33 | 31 | 32 | 30 | 30 | 31 | 34 | 34 | 33 | 33 | 32 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 9 | S 9 | S 8 | S 8 | S 8 | S 9 | S 8 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | E 12 | S 8 | S 8 | E 12 |
| kJ | 111 | 107 | 113 | 103 | 127 | 113 | 133 | 143 | 150 | 173 | 146 | 150 | 116 | 111 | 133 | 133 | 133 | 105 | 103 | 80 | 11 | 95 | 98 | 11 |
Swell 2 Height (m) Direction Period (s) | SW 6 | WSW 6 | E 15 | E 15 | E 16 | E 15 | E 15 | SW 5 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | — | E 12 | E 12 | — |
| kJ | 8 | 3 | 4 | 5 | 5 | 19 | 18 | 14 | 16 | 36 | 35 | 32 | 31 | 31 | 30 | 29 | 28 | 26 | 11 | 11 | — | 11 | 11 | — |
Swell 3 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | E 11 | SE 10 | SE 10 | E 10 | E 15 | E 9 | E 9 | SE 9 | SE 9 | SE 9 | SE 9 | E 9 | — | — | — | E 9 | E 8 | E 8 | — | — | — |
| kJ | 2 | 2 | 2 | 2 | 4 | 4 | 2 | 17 | 2 | 2 | 3 | 3 | 3 | 3 | 2 | — | — | — | 2 | 1 | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 6 | — | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 5 | WSW 5 | SW 4 | SW 5 | SW 5 | SW 5 | SW 6 | SW 6 | WSW 4 | WSW 5 | SW 6 | SW 7 | SSW 5 | SW 5 | SW 5 | S 8 |
| kJ | 36 | — | 6 | 13 | 22 | 46 | 27 | 40 | 6 | 27 | 15 | 39 | 68 | 62 | 39 | 30 | 10 | 27 | 56 | 52 | 102 | 74 | 35 | 182 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 576 | 1243 | 1243 | 0 | 0 | 0 | 0 | 362 | 1183 | 1246 | 1183 | 362 | 0 | 362 | 621 | 0 | 1246 | 1246 | 1373 | 0 | 1373 |
Best forecast wave conditions in Hainan | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
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