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 (1.4m), 5s 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 9PM is: 0.9m 8s primary swell from a South direction and 0.2m 12s secondary swell from a East direction (forecast issued at 01:00pm August 13). An open ocean swell of 0.7m 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 (1.4m) | 5s |
| Evening (13 Aug) | 3ft (0.9m) | 8s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Fri afternoon. Warm (max 33°C on Fri afternoon, min 27°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | |||||||||||||||||||
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 | SSW 5 | SSW 6 | S 8 | S 8 | S 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 | SSW 8 | S 8 | S 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 78 | 76 | 134 | 100 | 100 | 156 | 130 | 124 | 98 | 226 | 298 | 181 | 190 | 309 | 191 | 157 | 131 | 235 | 341 | 228 | 266 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | 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 | ||||||||||||||||
 |  |  |  | |  |  | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:06 | — | — |
mm | — | — | 3 | 3 | 1 | — | — | — | — | — | 6 | 2 | 1 | — | — | — | — | — | 1 | — | — |
Temp °C | 32 | 32 | 30 | 29 | 28 | 28 | 27 | 28 | 32 | 33 | 29 | 28 | 28 | 27 | 27 | 28 | 32 | 33 | 30 | 29 | 28 |
Feels °C | 36 | 34 | 33 | 34 | 33 | 32 | 30 | 32 | 36 | 36 | 34 | 33 | 32 | 31 | 31 | 31 | 35 | 35 | 34 | 33 | 31 |
Swell 1 Height (m) Direction Period (s) | S 8 | E 12 | E 12 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | E 11 | E 11 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | E 10 | E 10 | S 8 | E 10 |
| kJ | 78 | 11 | 11 | 100 | 100 | 156 | 130 | 124 | 98 | 2 | 2 | 181 | 190 | 224 | 191 | 157 | 131 | 2 | 2 | 228 | 2 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 9 | E 9 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | ENE 11 | ENE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 12 | E 10 |
| kJ | 11 | 2 | 1 | 11 | 11 | 10 | 9 | 9 | 9 | 12 | 11 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 2 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | — | — | — | — | — | — | — | — | — | — | — | — | SE 8 | — | — | E 12 | — |
| kJ | 2 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | 3 | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SSW 5 | SSW 6 | SW 6 | SW 5 | WSW 6 | WSW 4 | WSW 4 | WSW 4 | SSW 8 | SSW 8 | SW 5 | SW 5 | S 8 | WSW 5 | SW 5 | SW 3 | S 8 | SSW 8 | SW 5 | S 8 |
| kJ | 9 | 76 | 134 | 36 | 13 | 3 | 5 | 11 | 13 | 226 | 298 | 35 | 15 | 309 | 10 | 1 | 2 | 235 | 341 | 26 | 266 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1246 | 1246 | 1183 | 75 | 0 | 0 | 1379 | 0 | 0 | 717 | 717 | 736 | 717 | 0 | 0 | 0 | 0 | 1530 | 1183 | 1391 | 1090 |
Best forecast wave conditions in Hainan | |||||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||||
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