Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 3ft (0.9m), 8s period with S swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 4.5ft (1.3m), 6s period with SSW swell.
- Evening surf: Evening surf (13 Aug, local time) - 3ft (0.9m), 8s period with S swell.
The current surf forecast for Riyue Bay (Riyuewan) at 9AM is: 0.9m 8s primary swell from a South direction and 0.3m 12s secondary swell from a East direction (forecast issued at 01:00am August 13). An open ocean swell of 0.6m 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 (13 Aug) | 3ft (0.9m) | 8s |
| Afternoon (13 Aug) | 4.5ft (1.3m) | 6s |
| Evening (13 Aug) | 3ft (0.9m) | 8s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Thu afternoon. Warm (max 33°C on Fri afternoon, min 27°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||||||||||
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 8 | SSW 6 | SSW 6 | S 8 | S 8 | SSE 8 | S 8 | S 8 | S 8 | SSW 8 | SSW 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 133 | 105 | 100 | 98 | 108 | 135 | 100 | 103 | 109 | 130 | 127 | 100 | 256 | 357 | 181 | 190 | 195 | 191 | 161 | 153 | 186 | 234 | 251 | 284 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 9:50AM1.67m | 1:41AM0.74m | 10:43AM1.58m | 1:14AM0.79m | 11:34AM1.44m | |||||||||||||||||||
Low Tide | 6:14PM0.04m | 2:40AM0.74m | 6:43PM0.16m | 4:33AM0.70m | 7:04PM0.29m | |||||||||||||||||||
 | |  |  | |  |  | |  | | | | | | | | | | | | | | | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:06 | — | — |
mm | — | — | — | — | — | 2 | 1 | 1 | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | — |
Temp °C | 28 | 27 | 28 | 32 | 32 | 31 | 29 | 28 | 28 | 27 | 28 | 32 | 33 | 30 | 29 | 28 | 27 | 27 | 28 | 32 | 33 | 30 | 28 | 28 |
Feels °C | 32 | 30 | 31 | 36 | 35 | 35 | 34 | 33 | 32 | 30 | 31 | 35 | 35 | 33 | 33 | 32 | 30 | 30 | 31 | 36 | 35 | 34 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | E 12 | E 12 | S 8 | S 8 | SSE 8 | S 8 | S 8 | S 8 | E 11 | E 11 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 |
| kJ | 133 | 105 | 100 | 98 | 11 | 11 | 100 | 103 | 109 | 130 | 127 | 100 | 2 | 2 | 181 | 190 | 195 | 191 | 161 | 153 | 186 | 234 | 251 | 284 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 12 | E 12 | E 12 | ENE 12 | E 9 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 9 | ENE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 28 | 26 | 26 | 11 | 28 | 2 | 11 | 11 | 10 | 9 | 9 | 2 | 2 | 11 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | — | — | — | — | — | E 10 | — | — | — | — | — | — | — | — | — | — | E 12 | — | E 12 |
| kJ | 2 | 2 | 2 | 2 | 2 | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | 3 | — | 3 |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 3 | WSW 5 | SW 5 | SSW 6 | SSW 6 | SW 5 | SW 5 | SW 4 | WSW 4 | WSW 5 | SW 4 | SSW 8 | SSW 8 | SW 5 | SW 5 | SW 4 | SW 5 | WSW 5 | SW 3 | SW 4 | WSW 5 | SW 5 | SW 5 |
| kJ | 3 | 7 | 15 | 23 | 108 | 135 | 35 | 13 | 8 | 10 | 19 | 17 | 256 | 357 | 32 | 15 | 6 | 1 | 2 | 3 | 28 | 39 | 25 | 47 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 1246 | 1246 | 1173 | 75 | 0 | 75 | 736 | 1373 | 1379 | 1391 | 559 | 621 | 621 | 75 | 0 | 0 | 0 | 1530 | 1530 | 1391 | 1391 |
Best forecast wave conditions in Hainan | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
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