Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 4.5ft (1.3m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 5ft (1.6m), 8s period with SW swell.
- Evening surf: Evening surf (31 Aug, local time) - 8ft (2.5m), 8s period with WSW swell.
The current surf forecast for Riyue Bay (Riyuewan) at 6PM is: 1.6m 8s primary swell from a Southwest direction and 0.8m 10s secondary swell from a South direction, 0.1m 13s secondary swell from a East direction (forecast issued at 01:00pm August 31). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 4.5ft (1.3m) | 6s |
| Afternoon (31 Aug) | 5ft (1.6m) | 8s |
| Evening (31 Aug) | 8ft (2.5m) | 8s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 61mm), heaviest during Tue afternoon. Warm (max 31°C on Wed afternoon, min 24°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||
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) | SW 7 | SW 8 | SW 8 | WSW 8 | S 9 | SW 8 | SW 7 | WSW 8 | SW 9 | S 9 | S 9 | S 10 | WSW 8 | S 9 | WSW 7 | WSW 7 | WSW 6 | S 8 | WSW 6 | S 9 | S 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 178 | 297 | 330 | 1125 | 201 | 244 | 303 | 931 | 149 | 132 | 142 | 151 | 355 | 108 | 186 | 134 | 100 | 33 | 106 | 39 | 38 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-off | off | off |
High Tide | 12:08PM1.17m | 00:40AM1.07m | 1:00PM1.02m | 1:00AM1.19m | 2:03PM0.86m | ||||||||||||||||
Low Tide | 6:32PM0.52m | 6:50AM0.51m | 6:36PM0.61m | 7:58AM0.44m | 6:32PM0.68m | ||||||||||||||||
 |  |  |  |  | | |  |  |  | | | |  | | | | | |  | | |
 | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | — | 1 | 2 | 4 | 3 | 2 | 4 | 1 | 7 | 13 | 21 | 2 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 26 | 26 | 25 | 26 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 30 | 31 | 30 | 27 | 26 |
Feels °C | 30 | 29 | 29 | 31 | 29 | 29 | 28 | 31 | 30 | 29 | 29 | 27 | 26 | 26 | 27 | 28 | 32 | 35 | 34 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 10 | SW 9 | S 9 | S 9 | S 9 | SW 8 | SW 9 | S 9 | S 9 | S 10 | S 9 | S 9 | SW 7 | SW 7 | S 8 | SW 7 | SW 6 | SW 6 | S 9 |
| kJ | 105 | 86 | 117 | 243 | 201 | 168 | 136 | 205 | 149 | 132 | 142 | 151 | 142 | 108 | 53 | 38 | 51 | 21 | 26 | 26 | 38 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | S 9 | E 13 | E 13 | E 12 | S 9 | S 9 | SW 9 | SW 9 | SW 9 | SW 8 | NE 6 | S 9 | S 9 | SW 6 | S 8 | S 8 | S 9 | SW 7 |
| kJ | 3 | 3 | 3 | 171 | 3 | 3 | 3 | 196 | 133 | 109 | 78 | 91 | 78 | 1 | 81 | 57 | 27 | 33 | 31 | 39 | 16 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 13 | — | — | E 11 | E 12 | E 12 | E 12 | NNE 4 | NE 4 | NE 5 | E 12 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 5 |
| kJ | — | — | — | 3 | — | — | 2 | 3 | 3 | 3 | 2 | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | SW 7 | SW 8 | SW 8 | WSW 8 | SW 9 | SW 8 | SW 7 | WSW 8 | NNW 2 | N 3 | WNW 2 | W 3 | WSW 8 | SW 8 | WSW 7 | WSW 7 | WSW 6 | — | WSW 6 | — | — |
| kJ | 178 | 297 | 330 | 1125 | 132 | 244 | 303 | 931 | 1 | 3 | 1 | 1 | 355 | 62 | 186 | 134 | 100 | — | 106 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 576 | 621 | 353 | 0 | 0 | 349 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 843 | 0 | 37 | 37 |
Best forecast wave conditions in Hainan | |||||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||||
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