
Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 3.5ft (1.0m), 9s period with S swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 4.5ft (1.4m), 9s period with SSW swell.
- Evening surf: Evening surf (12 Aug, local time) - 3ft (0.9m), 8s period with S swell.
The current surf forecast for Riyue Bay (Riyuewan) at 1PM is: 1.4m 9s primary swell from a South-southwest direction and 0.3m 13s secondary swell from a East direction, 0.1m 9s secondary swell from a Southeast direction (forecast issued at 07:00am August 12). The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 3.5ft (1.0m) | 9s |
| Afternoon (12 Aug) | 4.5ft (1.4m) | 9s |
| Evening (12 Aug) | 3ft (0.9m) | 8s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Thu afternoon. Warm (max 33°C on Wed afternoon, min 27°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||||||||
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 9 | S 9 | S 9 | SSW 9 | SSW 5 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSW 6 | SSW 6 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 |
Wave Graph | |||||||||||||||||||||||
122 | 157 | 127 | 304 | 140 | 105 | 105 | 133 | 105 | 103 | 78 | 129 | 140 | 117 | 124 | 134 | 161 | 130 | 105 | 140 | 190 | 190 | 219 | |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 8:52AM1.69m | 9:50AM1.67m | 1:41AM0.74m | 10:43AM1.58m | |||||||||||||||||||
Low Tide | 5:39PM-0.03m | 6:14PM0.04m | 2:40AM0.74m | 6:43PM0.16m | |||||||||||||||||||
6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | |
— | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | 2 | 1 | 1 |
Temp °C | 27 | 28 | 32 | 33 | 31 | 29 | 28 | 28 | 27 | 28 | 32 | 33 | 30 | 29 | 28 | 28 | 27 | 28 | 32 | 33 | 30 | 28 | 28 |
Feels °C | 30 | 31 | 35 | 34 | 34 | 33 | 32 | 31 | 30 | 31 | 36 | 35 | 33 | 33 | 32 | 31 | 29 | 31 | 35 | 35 | 34 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | E 13 | E 13 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | E 12 | E 12 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | E 10 |
122 | 157 | 127 | 31 | 31 | 105 | 105 | 133 | 105 | 103 | 78 | 11 | 11 | 117 | 124 | 134 | 161 | 130 | 105 | 140 | 190 | 190 | 2 | |
Swell 2 Height (m) Direction Period (s) | E 14 | E 14 | E 14 | SE 9 | SE 9 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 9 | ENE 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | — |
36 | 35 | 32 | 3 | 3 | 30 | 29 | 28 | 26 | 26 | 11 | 2 | 28 | 11 | 11 | 10 | 9 | 9 | 2 | 2 | 2 | 2 | — | |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | — | E 9 | — | — | — | — | — | — | E 10 | SE 9 | — | — | — | — |
3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | — | 2 | — | — | — | — | — | — | 2 | 3 | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 4 | SW 4 | SSW 9 | SSW 5 | SW 5 | SW 5 | WSW 5 | SW 4 | WSW 5 | SW 5 | SSW 6 | SSW 6 | SW 6 | SW 6 | SW 4 | WSW 4 | WSW 4 | SW 4 | SW 5 | SW 5 | WSW 5 | S 8 |
7 | 25 | 14 | 304 | 140 | 47 | 21 | 28 | 7 | 15 | 22 | 129 | 140 | 38 | 18 | 10 | 10 | 10 | 11 | 51 | 53 | 17 | 219 | |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 362 | 1246 | 1173 | 1183 | 0 | 624 | 624 | 624 | 1173 | 1246 | 1183 | 0 | 0 | 576 | 621 | 621 | 1183 | 1379 | 576 | 717 | 1090 |
Best forecast wave conditions in Hainan | |||||||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)













